Modern Dental Assisting 10th Ed By Doni L. Bird – Test Bank A+

$35.00
Modern Dental Assisting 10th Ed By Doni L. Bird – Test Bank A+

Modern Dental Assisting 10th Ed By Doni L. Bird – Test Bank A+

$35.00
Modern Dental Assisting 10th Ed By Doni L. Bird – Test Bank A+

Bird & Robinson: Modern Dental Assisting, 10th Edition

Chapter 06: General Anatomy

Test Bank

MULTIPLE CHOICE

  1. The scientific study of the shape and structure of the body is:
a.biology.c.anatomy.
b.physiology.d.pathology.

ANS: C

Feedback
ABiology is the scientific study of plants and animals.
BPhysiology is the study of the functions of the body.
CAnatomy is the scientific study of the shape and structure of the human body.
DPathology is the study of disease.

PTS: 1 DIF: Easy REF: p. 46 TOP: Key Terms and Introduction

  1. The scientific study of how the body functions is:
a.physiology.c.functionality.
b.anatomy.d.biology.

ANS: A

Feedback
APhysiology is the scientific study of how the human body functions.
BAnatomy is the study of the shape and structure of the human body.
CFunctionality is the ability of something to function, not necessarily the body.
DBiology is the scientific study of plants and animals.

PTS: 1 DIF: Easy REF: p. 46 TOP: Key Terms and Introduction

  1. The body standing erect with the feet together and arms hanging at the sides with the palms facing forward is in:
a.a resting position.c.position for an autopsy.
b.anatomic position.d.proper posture.

ANS: B

Feedback
AResting position is an incorrect term for this description.
BIn general descriptions of the human body, it is assumed that the body is in “anatomic position.” Anatomic position is the body standing erect with the feet together and arms hanging at the sides with the palms facing forward.
CAutopsy position is an incorrect term for this description.
DProper position is an incorrect term for this description.

PTS: 1 DIF: Easy REF: p. 47 TOP: Planes and Body Directions

  1. The three imaginary lines used to divide the body into sections are called:
a.division lines.c.planes.
b.section lines.d.structural units.

ANS: C

Feedback
ADivision lines is incorrect.
BSection lines is incorrect.
CThe body is divided into sections by three imaginary lines, called planes. This helps in visualizing the relationship of internal body parts.
DStructural units is incorrect; it refers to the body broken down into smaller units.

PTS: 1 DIF: Easy REF: p. 47 TOP: Planes and Body Directions

  1. The vertical plane that divides the body into equal left and right halves is the _____ plane.
a.coronalc.sagittal
b.transversed.midsagittal

ANS: D

Feedback
AA coronal plane divides the body into anterior and posterior portions.
BA transverse plane divides the body into upper and lower portions.
CA sagittal plane is a vertical plane that runs parallel to the midsagittal plane.
DThe midsagittal plane, also known as the median or midline plane, is the vertical plane that divides the body into equal left and right halves.

PTS: 1 DIF: Medium REF: p. 47 TOP: Planes and Body Directions

  1. A horizontal plane divides the body into _____ portions.
a.superior and inferiorc.anterior and posterior
b.dorsal and ventrald.medial and lateral

ANS: A

Feedback
AA horizontal or transverse plane divides the body into upper and lower portions known as superior and inferior.
BDorsal and ventral are terms that refer to the front and back of the body.
CAnterior and posterior are terms that refer to the front and back of the body.
DMedial and lateral are terms that refer to the center and sides of the body.

PTS: 1 DIF: Difficult REF: p. 47 TOP: Planes and Body Directions

  1. The basic units of structure of the human body are:
a.body systems.c.cells.
b.tissues.d.organs.

ANS: C

Feedback
ABody systems are composed of groups of organs.
BTissues are formed by the joining of cells.
CThe study of the human body begins with the smallest units and builds systematically to larger units that result in the complete body. The basic or simplest unit of structure of the human body is the cell.
DOrgans are formed when several types of tissues are grouped together.

PTS: 1 DIF: Easy REF: p. 49 TOP: Cells

  1. The four levels of organization in the human body arranged from smallest to largest are:
a.cell, tissue, organ, and body system.c.cell, organ, tissue, and body system.
b.tissue, organ, cell, and body system.d.body system, organ, tissue, and cell.

ANS: A

Feedback
AThe structure of the human body is organized at four levels, starting at the simplest or smallest and working up to the largest or most complex. The cell is the most basic structure, a group of like cells is a tissue, groups of tissues form organs, groups of organs and tissues form body systems.
BThis list is not arranged from simplest to most complex.
CThis list is not arranged from simplest to most complex.
DThis list is not arranged from simplest to most complex.

PTS: 1 DIF: Difficult REF: p. 47 TOP: Structural Units

  1. The nucleus of the cell contains the:
a.protein.c.organelles.
b.cytoplasm.d.DNA.

ANS: D

Feedback
AProtein is manufactured, modified, stored, and transported in the organelles, which are other, more specialized parts of a cell.
BCytoplasm is a gel-like fluid inside the cell, which surrounds the nucleus.
COrganelles are specialized parts of a cell that perform specific functions.
DThe control center of the cell is the nucleus, which contains a complete set of the body’s chromosomes, made of DNA. DNA and RNA are the two chemicals that carry all genetic information.

PTS: 1 DIF: Medium REF: p. 51 TOP: Nucleus

  1. The four main types of tissue found in the human body are:
a.nerve, connective, epithelial, and muscle.c.brain, epithelial, nerve, and connective.
b.lung, nerve, brain, and muscle.d.bone, muscle, epithelial, and nerve.

ANS: A

Feedback
ATissues are formed when many millions of the same type of cells join together to perform a specific function in the body. The four main types of tissue in the human body are nerve, connective, epithelial, and muscle tissues.
BLung and brain tissue are not two of the four main types of tissues in the human body.
CBrain tissue is not one of the four main types of tissues in the human body.
DBone is a form of connective tissue; however, there are many types of connective tissues other than bone.

PTS: 1 DIF: Difficult REF: p. 51 TOP: Tissues

  1. The two major body cavities are the _____ cavities.
a.parietal and dorsalc.dorsal and ventral
b.thoracic and ventrald.cranial and spinal

ANS: C

Feedback
AParietal is an incorrect term because it refers to the lining of a cavity.
BThoracic is an incorrect term because it refers to a subdivision of the ventral cavity.
CThe organs of the body are located in areas called body cavities. The two major body cavities are the dorsal cavity, located at the back of the body, and the ventral cavity, located in the front of the body.
DThe cranial and spinal cavities are the subdivisions of the dorsal cavity.

PTS: 1 DIF: Difficult REF: p. 55 TOP: Body Cavities

  1. The two reference regions of the body are the _____ regions.
a.dorsal and ventralc.anterior and posterior
b.thoracic and abdominopelvicd.axial and appendicular

ANS: D

Feedback
ADorsal and ventral refer to the two major body cavities.
BThese are two subdivisions of the ventral cavity.
CThese terms refer to the front and back surfaces of the body.
DThe body is divided into two reference regions: the axial region, which includes the head, neck, and trunk; and the appendicular region, which includes the arms and legs.

PTS: 1 DIF: Difficult REF: p. 55 TOP: Body Regions

  1. Stem cells can differentiate into_____ cells.
a.nervec.brain
b.red bloodd.all of the above

ANS: D

Feedback
AStem cells are immature, unspecialized cells and can be induced to become specific types of cells.
BStem cells are immature, unspecialized cells and can be induced to become specific types of cells.
CStem cells are immature, unspecialized cells and can be induced to become specific types of cells.
DStem cells are immature, unspecialized cells and can be induced to become specific types of cells.

PTS: 1 DIF: Medium REF: p. 49 TOP: Stem Cells

  1. The purpose of connective tissue is to:
a.provide protection for body surfaces.
b.coordinate and control body activities.
c.provide support and connect body organs and tissues.
d.provide movement of the body parts.

ANS: C

Feedback
AEpithelial tissue covers the external and internal body surfaces, providing protection.
BNerve tissue coordinates and controls most body activities.
CSpecific types of connective tissue can store fat, destroy bacteria, produce blood cells, and develop antibodies against infection and disease.
DMuscle tissue lengthens and shortens, allowing the body to move.

PTS: 1 DIF: Easy REF: p. 51 TOP: Tissues

  1. The part of the cell that helps the cell hold its shape is the:
a.nucleus.c.membrane.
b.organelles.d.cytoplasm.

ANS: C

Feedback
AThe nucleus is inside the cell and directs the metabolic activities of the cell.
BOrganelles are located within the cytoplasm of the cell and control the disposal of cellular wastes.
CEach cell is surrounded by a thin membrane that serves to help the cell maintain its form and separate it from the surrounding environment.
DCytoplasm is located within the membrane of the cell.

PTS: 1 DIF: Easy REF: p. 50 TOP: Cell Membrane

  1. The lining of the mouth is made of _____ tissue.
a.epithelialc.muscle
b.connectived.nerve

ANS: A

Feedback
AEpithelial tissue forms a covering for internal body systems, including the oral cavity and intestines.
BConnective tissue comprises such tissues as fat, tendons, and bone.
CMuscle tissue forms the muscular system of the body.
DNerve tissue is found in the brain, spinal cord, and nerves.

PTS: 1 DIF: Medium REF: p. 51 TOP: Tissues

  1. The body tissue that can control emotions, memory, and sensations is the ______ tissue.
a.epithelialc.muscle
b.connectived.nerve

ANS: D

Feedback
AEpithelial tissue covers the external and internal body surfaces, providing protection.
BConnective tissue provides support for the body systems.
CMuscle tissue lengthens and shortens, allowing the body to move.
DThe nerve tissue is found in the brain, spinal cord, and nerves that control body activities such as emotions and can respond to environmental changes.

PTS: 1 DIF: Easy REF: p. 51 TOP: Tissues

  1. Visceral muscle tissue is also known as:
a.nonstriated.c.smooth.
b.involuntary.d.all of the above.

ANS: D

Feedback
ANonstriated is also known as visceral muscle tissue.
BInvoluntary muscle is also known as visceral muscle tissue.
CSmooth muscle tissue is also known as visceral muscle tissue.
DVisceral muscle tissue is also known as smooth, nonstriated, and involuntary muscle tissue.

PTS: 1 DIF: Medium REF: p. 53

TOP: Table 6-2: Types of Tissues and Functions in the Body

  1. The brain and spinal cord are located in the _____ cavity.
a.dorsalc.spinal
b.craniald.all of the above

ANS: D

Feedback
AThe dorsal is the larger cavity where the smaller cranial and spinal cavities are located.
BThe cranial cavity is a smaller cavity within the dorsal cavity.
CThe spinal cavity is a smaller cavity within the dorsal cavity.
DThe brain and spinal cord are located in the cranial and spinal cavities, which are located in the larger dorsal cavity.

PTS: 1 DIF: Medium REF: p. 55 TOP: Body Cavities

  1. The stomach is located in the ______ cavity.
a.thoracic cavityc.pelvic
b.abdominald.dorsal

ANS: B

Feedback
AThe lungs, heart, and esophagus are located in the thoracic cavity.
BThe stomach is located in the abdominal cavity.
CPortions of the small and large intestines, the rectum, and the bladder are located in the lower pelvic cavity.
DThe dorsal cavity is located at the back of the body.

PTS: 1 DIF: Medium REF: p. 55 TOP: Body Cavities

  1. The connective tissue that protects and supports other body organs is ______ tissue.
a.adiposec.osseous
b.dense fibrousd.vascular

ANS: C

Feedback
AAdipose (fat) tissue stores fat, provides energy, and insulates the body.
BDense fibrous tissue forms the ligaments and tendons.
COsseous tissue is bone tissue that makes up the spinal column and ribs.
DVascular tissue is comprised of blood and lymph tissues.

PTS: 1 DIF: Medium REF: p. 54

TOP: Table 6-2: Types of Tissues and Functions in the Body

  1. The opposite of proximal is:
a.superior.c.distal.
b.inferior.d.frontal.

ANS: C

Feedback
ASuperior refers to being above or closer to the head.
BInferior refers to being lower or under.
CDistal refers to being farther away from the trunk of the body, whereas proximal refers to being closer to the trunk of the body.
DFrontal refers to the vertical plane that divides the body into anterior and posterior.

PTS: 1 DIF: Easy REF: p. 46 TOP: Key Terms

  1. Which of the following types of connective tissue provides an energy source for the body when needed?
a.Adiposec.Dense fibrous
b.Supportived.Vascular

ANS: A

Feedback
AAdipose tissue stores fat to provide an energy source when needed and to cushion, support, and insulate the body.
BSupportive tissue protects and supports other organs and provides flexible support, also serving as a shock absorber. It is not a source of energy.
CDense fibrous tissue helps hold bones together at the joint and to attach skeletal muscles to bones. It is not a source of energy.
DVascular tissue transports materials in the body. It is not a source of energy.

PTS: 1 DIF: Medium REF: pp. 53-54

TOP: Table 6-2: Types of Tissue and Functions in the Body

  1. Anatomic reference systems include body planes, body directions, body cavities, and:
a.body cells.c.structural organs.
b.body tissues.d.structural units.

ANS: D

Feedback
ACells are not an anatomic reference system.
BTissues are not an anatomic reference system.
COrgans are not an anatomic reference system.
DThe basic anatomic reference systems include body planes, body directions, structural units, and body cavities.

PTS: 1 DIF: Medium REF: p. 47 TOP: Introduction

  1. Which of the following statements is true?
a.The eyes are lateral to the nose.
b.The mouth is on the dorsal side of the body.
c.The nose is posterior to the ears.
d.The chin is medial to the mouth.

ANS: A

Feedback
AThe eyes are superior and to the side (lateral) of the nose.
BThe mouth is on the ventral side of the body.
CThe nose is anterior to the ears.
DThe chin is anterior to the ears.

PTS: 1 DIF: Difficult REF: p. 49

TOP: Table 6-1: Directional Terms for the Human Body

  1. Opposite terms for the directional terms for the body are:
a.medial and dorsal.c.anterior and inferior.
b.medial and distal.d.proximal and lateral.

ANS: B

Feedback
AMedial refers to nearer the midline; dorsal refers to being on the back.
BMedial refers to toward or nearer the midline, while distal refers to farther from the midline.
CThe opposite of anterior is posterior.
DProximal refers to closer to the trunk of the body; lateral refers to the side or away from the midline.

PTS: 1 DIF: Medium REF: p. 49

TOP: Table 6-1: Directional Terms for the Human Body

  1. The body plane that divides the body into unequal right and left halves is the _____ plane.
a.medialc.sagittal
b.frontald.midsagittal

ANS: C

Feedback
AThe median plane is the same as the midsagittal plane that divides the body into equal left and right planes.
BThe frontal plane is any vertical plane that divides the body into front and back portions.
CThe sagittal plane is a vertical plane parallel to the midline that divides the body, from top to bottom, into unequal left and right portions.
DThe midsagittal plane divides the body into equal left and right planes.

PTS: 1 DIF: Medium REF: p. 47 TOP: Planes and Body Directions

  1. The body plane that is a vertical plane that is at right angles to the midsagittal plane and divides the body into anterior and posterior portions is the _______ plane.
a.medialc.sagittal
b.frontald.midline

ANS: B

Feedback
AThe medial plane, also known as the midsagittal plane, divides the body into equal left and right halves.
BThe frontal plane is any vertical plane at right angles to the midsagittal plane that divides the body into anterior and posterior portions.
CThe sagittal plane is a vertical plane parallel to the midline that divides the body, from top to bottom, into unequal left and right portions.
DThe midline plane is the same as the medial plane.

PTS: 1 DIF: Medium REF: p. 47 TOP: Planes and Body Directions

  1. Human cells:
a.have the capability to grow and reproduce.
b.are all saucer-shaped.
c.have a life span of between 100 to 120 days.
d.have the same function, which is to transform nutrients into energy.

ANS: A

Feedback
AEach cell has the capability to grow, reproduce, and react to stimuli and transform nutrients into energy.
BHuman cells have various shapes and sizes.
CThe life span of cells varies depending on the type.
DDifferent types of cells have different functions; each has a specific purpose.

PTS: 1 DIF: Difficult REF: p. 49 TOP: Cells

  1. Adult stem cells:
a.are also referred to as blastocysts.
b.are the same as embryonic stem cells.
c.can be found in the pulp of the teeth.
d.are grown from fertilized eggs in a test tube used for research purposes.

ANS: C

Feedback
AA blastocyst is an embryo that is 4 or 5 days old.
BThe term adult stem cells is used to make a distinction from the embryonic stem cells.
CAdult stem cells can be found in blood, skin, skeletal muscle, and the pulp of the teeth.
DEmbryonic stem cells are grown from fertilized eggs in a test tube used for research purposes.

PTS: 1 DIF: Difficult REF: p. 50 TOP: Stem Cells

  1. The gel-like fluid that forms the major portion of a cell is the:
a.membrane.c.organelles.
b.cytoplasm.d.nucleus.

ANS: B

Feedback
AThe membrane is the thin wall that surrounds the cell.
BCytoplasm is the gel-like fluid inside the cell that forms the major portion of the cell.
COrganelles are the tiny structures inside the cytoplasm.
DThe nucleus is the “control center” of the cell.

PTS: 1 DIF: Medium REF: p. 50 TOP: Cytoplasm

  1. The part of the cell that makes, stores, and transports cell proteins is the:
a.membrane.c.organelles.
b.cytoplasm.d.nucleus.

ANS: C

Feedback
AThe membrane is the outer portion of the cell that gives it its shape.
BCytoplasm is the gel-like fluid that forms the major portion of the cell; the organelles are found in the cytoplasm.
COrganelles manufacture, modify, store, and transport proteins and dispose of cellular waste.
DThe nucleus is the “control center” of the cell.

PTS: 1 DIF: Difficult REF: pp. 50-51 TOP: Cytoplasm

  1. Which type of tissue provides protection, produces secretions, and regulates the passage of materials across it?
a.Epithelialc.Muscle
b.Connectived.Nerve

ANS: A

Feedback
AEpithelial tissue provides protection, produces secretions, and regulates the passage of materials across it.
BConnective tissue provides support for the body and connects its organs and tissues.
CMuscle tissue allows the body to have motion.
DNerve tissue coordinates and controls body activities.

PTS: 1 DIF: Medium REF: p. 51 TOP: Tissues

  1. The tissue that transports nutrients and oxygen to body cells and carries away waste products is the ______ tissue.
a.neuronalc.cardiac
b.vasculard.dense fibrous

ANS: B

Feedback
ANeuronal tissue is nerve tissue that reacts to environmental stimuli.
BVascular tissue includes the blood that transports nutrients and oxygen to body cells and carries away waste products.
CCardiac tissue is muscle tissue that makes up the walls of the heart and helps pump the blood.
DDense fibrous tissue is connective tissue that forms the ligaments and tendons.

PTS: 1 DIF: Difficult REF: p. 54

TOP: Table 6-2: Types of Tissues and Functions in the Body

  1. Organs:
a.are made up of many types of tissue groups.
b.perform a single function.
c.form body systems.
d.all of the above.

ANS: D

Feedback
AAll answers are correct.
BAll answers are correct.
CAll answers are correct.
DOrgans are formed when several types of tissues group together to form a single function. Body systems are composed of a group of organs that work together to perform a major function.

PTS: 1 DIF: Easy REF: p. 51 TOP: Organs

  1. The brain is located in the ______ cavity.
a.ventralc.parietal
b.dorsald.thoracic

ANS: B

Feedback
AThe ventral cavity is the front of the body.
BThe dorsal cavity is divided into the cranial cavity, which contains the brain, and the spinal cavity, which contains the spinal cord.
CParietal refers to the walls of a body cavity.
DThe thoracic cavity is located in the ventral cavity and contains the heart and lungs.

PTS: 1 DIF: Medium REF: p. 55 TOP: Body Cavities

Bird & Robinson: Modern Dental Assisting, 10th Edition

Chapter 07: General Physiology

Test Bank

MULTIPLE CHOICE

  1. How many systems does the human body have?
a.5c.10
b.8d.12

ANS: C

Feedback
AThe body has more than 5 systems.
BThe body has more than 8 systems.
CThe human body is made up of 10 systems, with each system having specific organs and performing a specific function.
DThe body does not have 12 systems.

PTS: 1 DIF: Easy REF: p. 57 TOP: Introduction

  1. The appendicular skeleton:
a.includes the skull.
b.functions to protect the major organs of the nervous, respiratory, and circulatory systems.
c.protects the organs of digestion and reproduction.
d.weighs about 60 pounds.

ANS: C

Feedback
AThe skull is part of the axial skeleton rather than the appendicular skeleton. The function of the axial skeleton is to protect the major organs of the nervous, respiratory, and circulatory systems.
BThe appendicular skeleton protects the organs of digestion and reproduction. The axial skeleton protects the major organs of the nervous, respiratory, and circulatory systems.
CThe appendicular skeleton protects the organs of digestion and reproduction. The shoulders, arms, hands, hips, legs, and feet form the appendicular skeleton. The axial skeleton consists of the skull, spinal column, ribs, and sternum. The function of the axial skeleton is to protect the major organs of the nervous, respiratory, and circulatory systems. All the bones of the human body together weigh about 20 pounds.
DAll of the bones of the human body together weigh about 20 pounds.

PTS: 1 DIF: Medium REF: p. 57 TOP: Skeletal System

  1. Periosteum:
a.does not contain nerves and blood vessels.
b.is necessary for bone growth and repair.
c.contains an inner layer of dense fibrous connective tissue, containing osteoclasts associated with bone formation.
d.is found adjacent to spongy, trabecular, cancellous bone.

ANS: B

Feedback
APeriosteum contains nerves and blood vessels. It supplies the cells from which the hard bone below the periosteum is built up.
BPeriosteum is necessary for bone growth and repair. It contains nerves and blood vessels and also contains an inner layer of loose connective tissue containing osteoblasts associated with bone formation. Beneath the periosteum is dense, rigid, compact cortical bone.
CPeriosteum contains an inner layer of loose connective tissue containing osteoblasts, which are cells associated with bone formation.
DBeneath periosteum is dense, rigid, compact bone.

PTS: 1 DIF: Difficult REF: p. 58 TOP: Bone

  1. The cells associated with bone formation are known as:
a.osteoclasts.c.cortical.
b.cancellous.d.osteoblasts.

ANS: D

Feedback
AOsteoclasts relate to the breakdown and resorption of bone.
BCancellous refers to a type of bone found on the inside of a bone.
CCortical refers to a type of bone that forms the outer layer of a bone.
DOsteoblasts are the cells necessary for bone formation; they are found in the inner layer of the periosteum.

PTS: 1 DIF: Medium REF: p. 58 TOP: Bone

  1. The outer layer of hard, dense, and very strong bone is known as:
a.cancellous bone.c.compact bone.
b.bone marrow.d.periosteum.

ANS: C

Feedback
ACancellous bone is a spongy type of bone found on the inside of a bone.
BBone marrow is a gelatinous type of material found in the cancellous bone.
CCompact bone, or cortical bone, is hard, dense, and strong and forms a bone’s outer layer.
DPeriosteum is a specialized type of connective tissue covering the bones.

PTS: 1 DIF: Medium REF: p. 58 TOP: Bone

  1. A gomphosis is a:
a.fibrous joint that moves.c.synovial joint that does not move.
b.cartilaginous joint that does not move.d.synovial joint that moves.

ANS: D

Feedback
AA gomphosis is a synovial joint that moves. Fibrous joints do not move. The sutures of the skull are examples of fibrous joints.
BA gomphosis is a synovial joint that moves. Cartilaginous joints are made of connective tissue and cartilage. They only move very slightly. An example is the joint between bones of the vertebrae.
CA gomphosis is a synovial joint that moves.
DA gomphosis is a synovial joint that moves. It forms the attachment of the tooth to the socket.

PTS: 1 DIF: Medium REF: p. 60 TOP: Joints

  1. The three types of muscles that make up the muscular system are:
a.striated, involuntary, and cardiac.c.unstriated, involuntary, and visceral.
b.striated, smooth, and cardiac.d.voluntary, involuntary, and smooth.

ANS: B

Feedback
AThis combination is incorrect; involuntary is not one of the major muscle types.
BMuscles are necessary to make the body move. There are only three types of muscles in the human body: striated, smooth, and cardiac.
CUnstriated, involuntary, and visceral are all terms that describe smooth muscle.
DVoluntary describes striated muscle, and involuntary describes smooth muscle, but neither term is the name of a muscle type.

PTS: 1 DIF: Easy REF: p. 60 TOP: Muscular System

  1. The more fixed attachment of the muscle that is toward the midline is referred to as the:
a.origin.c.contraction.
b.insertion.

ANS: A

Feedback
AMuscles are arranged in opposing pairs so that one can contract and the other can relax. This action makes motion possible. The place where the muscle is more fixed or nearer the midline of the body is called the origin.
BThe insertion is a movable attachment that is away from the midline.
CContraction is the tightening of a muscle.

PTS: 1 DIF: Medium REF: p. 64 TOP: Muscle Function

  1. Which body system has the job of transporting nutrients and oxygen throughout the body?
a.Respiratoryc.Circulatory
b.Digestived.Endocrine

ANS: C

Feedback
AThe respiratory system delivers oxygen to cells, but does not transport nutrients.
BThe digestive system takes in whole food and breaks it down to be used by the body.
CThe two main functions of the circulatory system are transportation (of nutrients and oxygen to the body cells, waste and carbon dioxide from the body cells, and hormones and antibodies throughout the body) and regulation of body temperature and maintenance of chemical stability.
DThe endocrine system produces the hormones that help maintain a constant environment in the body.

PTS: 1 DIF: Easy REF: p. 64 TOP: Circulatory System

  1. Arteries, veins, and capillaries are major types of:
a.blood vessels.c.nerve tissue.
b.muscle tissue.d.blood cells.

ANS: A

Feedback
AThere are three major types of blood vessels in the body: arteries, veins, and capillaries.
BArteries, veins, and capillaries are not types of muscle tissue.
CArteries, veins, and capillaries are not types of nerve tissue.
DArteries, veins, and capillaries are not types of blood cells.

PTS: 1 DIF: Easy REF: p. 66 TOP: Blood Vessels

  1. Lymphocytes fight disease by producing:
a.leukocytes.c.monocytes.
b.antibodies.d.macrophages.

ANS: B

Feedback
AAntibodies are the products of lymphocytes. Leukocytes are white blood cells. There are three types of granular leukocytes: neutrophils, eosinophils, and basophils.
BLymphocytes fight disease by producing antibodies.
CAntibodies are the products of lymphocytes. Monocytes are granular white blood cells. They are called monocytes in the bloodstream and macrophages in tissue.
DAntibodies are the products of lymphocytes. Macrophages are granular white blood cells. They are called monocytes in the bloodstream and macrophages in tissue.

PTS: 1 DIF: Difficult REF: p. 67 TOP: Lymph Nodes

  1. The tonsils and spleen are parts of which body system?
a.Endocrinec.Digestive
b.Circulatoryd.Lymphatic

ANS: D

Feedback
AThe endocrine system includes the thyroid, parathyroid, ovaries, testes, pancreas, pituitary, and adrenal medulla.
BThe circulatory system is part of the cardiovascular system.
CThe tonsils and spleen are not parts of the digestive system.
DThe tonsils and the spleen are both parts of the lymphatic system, which fights disease.

PTS: 1 DIF: Medium REF: pp. 67-68 TOP: Lymphoid Organs

  1. What is the body’s communication system?
a.Circulatory systemc.Respiratory system
b.Nervous systemd.Endocrine system

ANS: B

Feedback
AThe circulatory system is a transportation system for oxygen, nutrients, hormones, and antibodies.
BInstructions and directions are sent out from the nervous system to various organs of the body. The nervous system is the communication system of the body.
CThe respiratory system provides for the exchange of oxygen and carbon dioxide.
DThe endocrine system produces hormones.

PTS: 1 DIF: Medium REF: pp. 68-69 TOP: Nervous System

  1. The primary center for regulating and coordinating the body’s activities and functions is the:
a.heart.c.brain.
b.spinal cord.d.neuron.

ANS: C

Feedback
AThe heart works as a double pump to pump blood to the lungs and to the rest of the body.
BThe spinal cord is the pathway going to and from the brain.
CThe function of the brain, as a component of the nervous system, is to regulate and coordinate the functions and activities of the body.
DA neuron directs communication or nerve impulses.

PTS: 1 DIF: Easy REF: p. 70 TOP: Brain

  1. The body system that delivers oxygen to the blood and transports waste carbon dioxide out of the body is the _____ system.
a.respiratoryc.endocrine
b.digestived.nervous

ANS: A

Feedback
AThe function of the respiratory system is to deliver oxygen to the blood and transport waste carbon dioxide out of the body.
BThe digestive system takes in whole food and breaks it down to be used by the body.
CThe endocrine system relays chemical messages through the body.
DThe nervous system serves as the communication system for the body.

PTS: 1 DIF: Easy REF: p. 71 TOP: Respiratory System

  1. The digestive process begins in the:
a.mouth.c.small intestine.
b.stomach.d.large intestine.

ANS: A

Feedback
AThe digestive process begins in the mouth where food is masticated, mixed with saliva, and swallowed.
BThe digestive process begins in the mouth. The stomach is a saclike organ that lies in the abdominal cavity just below the diaphragm. Glands within the stomach produce the gastric juices that aid in digestion, as well as the mucus that forms the protective coating of the stomach lining.
CThe digestive process begins in the mouth. The small intestine extends from the stomach to the first part of the large intestine. It consists of three parts: the duodenum, the jejunum, and the ileum.
DThe digestive process begins in the mouth. The large intestine extends from the end of the small intestine to the anus. It is divided into four parts: the cecum, the colon, the sigmoid colon, and the rectum and anal canal.

PTS: 1 DIF: Medium REF: p. 73 TOP: Digestive Process

  1. The stomach is part of what body system?
a.Respiratoryc.Digestive
b.Endocrined.Urinary

ANS: C

Feedback
AThe respiratory system includes the nose, paranasal sinuses, pharynx, trachea, epiglottis, larynx, alveoli, and lungs.
BThe endocrine system includes the thyroid, parathyroid, pancreas, pituitary, ovaries, testes, and adrenal medulla.
CThe stomach is a component of the digestive system.
DThe urinary system includes the kidneys, ureters, bladder, and urethra.

PTS: 1 DIF: Easy REF: pp. 73-74 TOP: Stomach

  1. The endocrine system uses chemical messengers called _____, which move through the bloodstream.
a.hormonesc.leukocytes
b.erythrocytesd.thrombocytes

ANS: A

Feedback
AThe chemical messengers called hormones are components of the endocrine system, which move through the bloodstream and help maintain the environment inside the body.
BErythrocytes are red blood cells.
CLeukocytes are white blood cells.
DThrombocytes are platelets.

PTS: 1 DIF: Medium REF: p. 74 TOP: Endocrine System

  1. The integumentary system:
a.manufactures bile.
b.helps to regulate body temperature.
c.removes excess glucose from the bloodstream and stores it as glycogen.
d.transports food from the pharynx to the stomach.

ANS: B

Feedback
AThe integumentary system helps to regulate body temperature. The liver manufactures bile.
BThe integumentary system helps to regulate body temperature. The liver manufactures bile. The liver also removes excess glucose from the bloodstream and stores it as glycogen. The esophagus transports food from the pharynx to the stomach.
CThe integumentary system helps to regulate body temperature. The liver removes excess glucose from the bloodstream and stores it as glycogen.
DThe integumentary system helps to regulate body temperature. The esophagus transports food from the pharynx to the stomach.

PTS: 1 DIF: Medium REF: p. 76 TOP: Integumentary System

  1. Osteoporosis is an age-related disease of which body system?
a.Reproductivec.Urinary
b.Endocrined.Skeletal

ANS: D

Feedback
AOsteoporosis is not a disease of the reproductive system.
BOsteoporosis is not a disease of the endocrine system.
COsteoporosis is not a disease of the urinary system.
DOsteoporosis is an age-related disease of the skeletal system that causes demineralization of the bones.

PTS: 1 DIF: Easy REF: p. 58

TOP: Table 7-2: Disorders of Skeletal System

  1. Epilepsy is a disorder of which body system?
a.Nervousc.Endocrine
b.Skeletald.Circulatory

ANS: A

Feedback
AEpilepsy is a disease of the nervous system that is characterized by seizures.
BEpilepsy is not a disease of the skeletal system.
CEpilepsy is not a disease of the endocrine system.
DEpilepsy is not a disease of the circulatory system.

PTS: 1 DIF: Easy REF: p. 69

TOP: Table 7-6: Disorders of the Nervous System

  1. Tuberculosis is a disease usually associated with which body system?
a.Circulatoryc.Nervous
b.Respiratoryd.Skeletal

ANS: B

Feedback
ATuberculosis is usually associated with the respiratory system, although it can affect other systems as well.
BTuberculosis is a bacterial disease transmitted by infectious droplets; it most commonly infects the respiratory system, but may affect other systems as well.
CTuberculosis is usually associated with the respiratory system, although it can affect other systems as well.
DTuberculosis is usually associated with the respiratory system, although it can affect other systems as well.

PTS: 1 DIF: Medium REF: p. 71

TOP: Table 7-7: Disorders of the Respiratory System

  1. Diabetes mellitus is a disorder of which body system?
a.Lymphaticc.Endocrine
b.Digestived.Circulatory

ANS: C

Feedback
ADiabetes mellitus is not a disease of the lymphatic system.
BDiabetes mellitus is not a disease of the digestive system.
CDiabetes mellitus is a disorder of the endocrine system, in which glucose uptake by the cells is impaired.
DDiabetes mellitus is not a disease of the circulatory system.

PTS: 1 DIF: Medium REF: p. 75

TOP: Table 7-9: Disorders of the Endocrine System

  1. _____ is a disorder associated with the integumentary system.
a.Renal failurec.Migraine headaches
b.Heart attackd.Acne

ANS: D

Feedback
ARenal failure is a disease associated with the urinary system.
BHeart attack is associated with the cardiovascular system.
CMigraine headaches are associated with the nervous system.
DOne of the most common diseases of the skin or integumentary system is acne, an inflammation of the sebaceous glands that can cause pimples and blackheads.

PTS: 1 DIF: Medium REF: p. 76

TOP: Table 7-11: Disorders of the Integumentary System

  1. Toxic shock syndrome is a disorder of which body system?
a.Female reproductivec.Lymphatic
b.Urinary

ANS: A

Feedback
AToxic shock syndrome is a disorder usually associated with the female reproductive system.
BToxic shock syndrome is not a disorder of the urinary system.
CToxic shock syndrome is not a disorder of the lymphatic system.

PTS: 1 DIF: Medium REF: p. 78

TOP: Table 7-12: Disorders of the Female Reproductive System

  1. Bone:
a.is living connective tissue.c.consists of calcium and phosphate.
b.is able to repair itself.d.is all of the above.

ANS: D

Feedback
AAll answers are correct.
BAll answers are correct.
CAll answers are correct.
DBone is living tissue that is capable of repairing itself. It consists of organic material and inorganic minerals, primarily calcium and phosphate.

PTS: 1 DIF: Easy REF: p. 57 TOP: Bone

  1. The bone tissue that makes it capable of repair is:
a.calcium.c.Sharpey’s fibers.
b.periosteum.d.bone marrow.

ANS: B

Feedback
ACalcium is a mineral that gives rigidity to the bone.
BPeriosteum is the bone layer responsible for the life of the bone and its ability to repair itself.
CSharpey’s fibers anchor the periosteum to the bone.
DBone marrow is gelatinous material in the bone that produces white and red blood cells.

PTS: 1 DIF: Medium REF: p. 58 TOP: Bone

  1. The strongest, dense layer of bone is the:
a.periosteum.c.cancellous bone.
b.compact bone.d.bone marrow.

ANS: B

Feedback
APeriosteum is the covering of the bone containing nerves and blood vessels.
BCompact bone is the hard, dense inner layer of bone and is the strongest of all bone layers.
CCancellous bone is inside the bone, is lighter in weight, and houses the bone marrow.
DBone marrow is a gelatinous material containing red and white blood cells.

PTS: 1 DIF: Easy REF: p. 58 TOP: Bone

  1. Trabeculae:
a.are found inside compact bone.
b.contain blood vessels and nerves.
c.are very dense and hard.
d.are made of spicules that are filled with bone marrow.

ANS: D

Feedback
AThey are found in cancellous bone, not compact bone.
BThe blood vessels and nerves are found in the periosteum layer.
CCompact bone is very dense and hard; cancellous bone is lighter in weight and not as strong.
DTrabeculae are bony spicules in the cancellous bone. These spicules are filled with bone marrow.

PTS: 1 DIF: Medium REF: p. 59 TOP: Bone

  1. A jagged line where bones come together and that forms a joint that does not move is a(n):
a.gomphosis.c.suture.
b.bursa.d.articulation.

ANS: C

Feedback
AA gomphosis is a type of fibrous joint.
BA bursa is a fibrous sac in synovial joints that is filled with synovial fluid that acts as a cushion during movement.
CA suture is the jagged line where bones articulate and form a joint that does not move, such as where the bones of the skull meet.
DArticulation is another term for joint.

PTS: 1 DIF: Easy REF: p. 60 TOP: Joints

  1. The temporal-mandibular joint that allows you to open and close your mouth is considered to be what type of joint?
a.Fibrousc.Synovial
b.Cartilaginousd.None of the above

ANS: C

Feedback
AFibrous joints are where bones meet but the joint does not move.
BCartilaginous joints are made of connective tissue and cartilage with only minimal movement.
CThe temporal-mandibular joint is considered to be a synovial joint because its actions are both hinging and gliding joint motions.
DThe answer is synovial joint.

PTS: 1 DIF: Medium REF: p. 60 TOP: Joints

  1. Which type of muscle do we have conscious control over at any given time?
a.Cardiacc.Striated
b.Smoothd.Unstriated

ANS: C

Feedback
ACardiac muscle is striated, but acts as a smooth muscle.
BSmooth muscles are controlled by the autonomic nervous system and are not controlled voluntarily.
CStriated muscles, also known as voluntary muscles, attach to the bones of the skeleton, making voluntary body motion possible.
DUnstriated muscles are the same as smooth muscles.

PTS: 1 DIF: Easy REF: pp. 60-62 TOP: Striated Muscle

  1. Visceral muscles are found in the:
a.heart, stomach, and liver.c.stomach, liver, and digestive tract.
b.heart, liver, and digestive tract.d.stomach and liver.

ANS: C

Feedback
AVisceral muscles are not found in the heart.
BVisceral muscles are not found in the heart.
CVisceral muscles are found in all internal organs except the heart. They are also found in the digestive and urinary tracts.
DVisceral muscles are found in all internal organs and the digestive tract.

PTS: 1 DIF: Medium REF: p. 62 TOP: Smooth Muscle

  1. The term that refers to a muscle returning to its original shape is:
a.contraction.c.origin.
b.relaxation.d.insertion.

ANS: B

Feedback
AContraction is when the muscles are tightened, becoming shorter and thicker.
BRelaxation is the muscle returning to its original shape or form.
CThe origin is the point where the muscle begins.
DThe insertion is the point where the muscle ends.

PTS: 1 DIF: Easy REF: p. 63 TOP: Muscle Function

  1. The heart:
a.pumps about 40,000 gallons of blood.c.is made of smooth muscle.
b.is about the size of a baseball.d.is a hollow muscle.

ANS: D

Feedback
AThe heart pumps about 4000 gallons of blood.
BThe heart is about the size of a closed fist, but can vary in size from person to person.
CThe heart is actually made of cardiac muscle, resembles striated muscle in appearance, and is smooth in action.
DThe heart is a hollow muscle that is made of chambers.

PTS: 1 DIF: Easy REF: p. 64 TOP: Heart

  1. The function of the atria of the heart is to:
a.receive the blood.c.supply blood to the heart muscle.
b.pump the blood.d.send the blood to the lungs.

ANS: A

Feedback
AThe function of the atria of the heart is to receive the blood.
BThe ventricles pump the blood.
CThe coronary vessels supply the blood to the heart muscle.
DThe right side of the heart pumps blood to the lungs.

PTS: 1 DIF: Easy REF: p. 65 TOP: Heart Chambers

  1. The apparatus that allows the blood to flow through the heart by opening and closing with each heartbeat is known as a(n):
a.atrium.c.heart valve.
b.ventricle.d.pericardium.

ANS: C

Feedback
AThe atrium is the upper chamber of the heart.
BThe ventricle is the lower chamber of the heart.
CHeart valves allow blood to flow by opening and closing with each heartbeat.
DThe pericardium is a membranous sac that encases the heart.

PTS: 1 DIF: Easy REF: p. 65 TOP: Heart Valves

  1. The smallest elements of blood that play an important role in the clotting of the blood are the:
a.plasma.c.basophils.
b.red blood cells.d.platelets.

ANS: D

Feedback
APlasma is straw-colored fluid that transports nutrients, hormones, and waste products.
BRed blood cells play an essential role in transporting oxygen in the blood.
CBasophils are leukocytes, also known as white blood cells. Their function is not understood.
DPlatelets, or thrombocytes, are manufactured in bone marrow and are the smallest elements found in blood. Platelets are essential to the clotting of the blood.

PTS: 1 DIF: Easy REF: p. 67 TOP: Blood and Blood Cells

  1. The component of the lymphatic system that is responsible for fighting diseases by producing antibodies is the:
a.lymph vessels.c.lymph fluid.
b.lymph nodes.d.lymphoid organs.

ANS: B

Feedback
ALymph vessels transport lymph fluid.
BThe lymph nodes are located in the lymph vessels and fight diseases by producing antibodies.
CLymph fluid carries substances from the lymph tissues back into the blood.
DLymphoid organs are the organs that comprise the lymphatic system, such as tonsils and the spleen.

PTS: 1 DIF: Easy REF: p. 67 TOP: Lymph Nodes

  1. The tonsils that are visible in the mouth are the:
a.nasopharyngeal tonsils.c.palatine tonsils.
b.adenoids.d.lingual tonsils.

ANS: C

Feedback
ANasopharyngeal tonsils are located in the nasopharynx.
BAdenoids are also known as nasopharyngeal tonsils.
CThe palatine tonsils are located in the oropharynx between the anterior and posterior pillars of the throat and are visible through the mouth.
DLingual tonsils are located on the back of the tongue.

PTS: 1 DIF: Easy REF: pp. 67-68 TOP: Tonsils

  1. Which neuron is responsible for allowing you to taste?
a.Associativec.Sensory
b.Motord.None of the above

ANS: C

Feedback
AAssociative neurons carry impulses from one neuron to another.
BMotor neurons carry impulses from the brain and spinal cord, involving the muscles and glands.
CSensory neurons are located in the skin and sense organs, such as the tongue.
DSensory neurons are located in the skin and sense organs, such as the tongue.

PTS: 1 DIF: Medium REF: p. 70 TOP: Neurons

  1. Cranial nerves are part of what component of the nervous system?
a.Brainc.Central nervous system
b.Spinal cordd.Peripheral nervous system

ANS: D

Feedback
AThe brain is the primary center for body activity and is part of the central nervous system.
BThe spinal cord is part of the central nervous system.
CThe central nervous system is made up of the brain and spinal cord.
DThe cranial nerves and the spinal nerves are part of the peripheral nervous system.

PTS: 1 DIF: Easy REF: p. 69 TOP: Nervous System

  1. The part of the respiratory system that is visible through the mouth is the:
a.laryngopharynx.c.nasopharynx.
b.oropharynx.d.larynx.

ANS: B

Feedback
AThe laryngopharynx is located from the epiglottis to the larynx.
BThe oropharynx extends from the soft palate above to the epiglottis below in the posterior section of the mouth.
CThe nasopharynx is located behind the nose and above the soft palate.
DThe larynx is located below the epiglottis; it is also known as the “voice box.”

PTS: 1 DIF: Easy REF: p. 72 TOP: Pharynx

  1. The term for “chewing” is:
a.ingestion.c.mastication.
b.digestion.d.peristalsis.

ANS: C

Feedback
AIngestion is the act of putting food in the mouth.
BDigestion is when the food starts to break down.
CMastication is the term for chewing.
DPeristalsis consists of wavelike contractions that move food through the digestive tract.

PTS: 1 DIF: Easy REF: p. 73 TOP: Digestive Process

  1. Which statement is NOT true of hormones?
a.Hormones produce long-term changes in humans, such as growth.
b.Hormones have nothing to do with emotions.
c.Hormones help maintain the amount of sugar in the blood.
d.Hormones can reach every cell in the body.

ANS: B

Feedback
AHormones have a lot to do with emotions such as fear, anger, joy, and despair.
BHormones produce long-term changes in humans, such as growth. They also help maintain a constant environment inside the body, such as sugar in the blood. Hormones move through the bloodstream and can reach every cell in the body.
CHormones have a lot to do with emotions such as fear, anger, joy, and despair.
DHormones have a lot to do with emotions such as fear, anger, joy, and despair.

PTS: 1 DIF: Easy REF: p. 74 TOP: Endocrine System

  1. If a patient comes into the dental office with symptoms of facial paralysis, where the corner of the mouth sags and he cannot open an eye or close his mouth, he may have:
a.Parkinson’s disease.c.tic douloureux.
b.Bell’s palsy.d.multiple sclerosis.

ANS: B

Feedback
AWhen a person has Parkinson’s disease, he exhibits uncontrollable tremors in the hands or body, a shuffling gait, and stooped appearance.
BBell’s palsy causes paralysis of the facial nerve, resulting in possible distortion of one side of the face. Signs include not being able to open the eye, blink, or close the mouth.
CTic douloureux, trigeminal neuralgia, is extremely painful. It usually causes pain around the eyes, over the forehead, and in the upper lip, nose, and cheek.
DPersons with multiple sclerosis exhibit visual, sensory, and motor problems.

PTS: 1 DIF: Medium REF: p. 69

TOP: Table 7-6: Disorders of the Nervous System

  1. If a patient in the dental chair complains of chest pain and shortness of breath and is ashen in color, the patient may be suffering from:
a.pericarditis.c.heart failure.
b.endocarditis.d.coronary artery disease.

ANS: D

Feedback
APericarditis is an infection around the heart. The patient has high fever, joint pain, fatigue, and heart murmur.
BThe symptoms of endocarditis include high fever, joint pain, fatigue, and heart murmur.
CHeart failure exhibits breathlessness, weakness, fatigue, dizziness, and sometimes death.
DThe symptoms of coronary artery disease include chest pain and shortness of breath, and the patient may be ashen or gray in color.

PTS: 1 DIF: Medium REF: p. 64

TOP: Table 7-4: Disorders of the Heart

  1. An infectious disease that is often spread through coughing of sputum that contains blood and is of concern to the dental staff is:
a.tonsillitis.c.tuberculosis.
b.pharyngitis.d.pneumonia.

ANS: C

Feedback
ATonsillitis is an infection of the tonsils, usually not an airborne transmission.
BPharyngitis is inflammation of the throat, usually not an airborne transmission.
CTuberculosis is an infectious disease caused by infected droplets. Symptoms include a low-grade fever, chills, and night sweats. A persistent cough develops that contains blood and causes chest pain. It can be passed from patient to dental staff.
DPneumonia is an acute inflammation of the lungs, usually not an airborne transmission.

PTS: 1 DIF: Easy REF: p. 71

TOP: Table 7-7: Disorders of the Respiratory System

  1. The “skin” system is also known as the ____ system and is the body’s first line of defense against disease.
a.cardiovascularc.integumentary
b.endocrined.urinary

ANS: C

Feedback
AThe cardiovascular system is comprised of the circulatory, heart, and lymphatic systems.
BThe endocrine system produces hormones that help maintain a constant environment inside the body.
CThe integumentary system is also known as the “skin” system and is the body’s first line of defense against disease.
DThe urinary system is also known as the “excretory” system. It is primarily concerned with maintaining fluid volume and composition of body fluids.

PTS: 1 DIF: Easy REF: p. 76 TOP: Integumentary System

  1. The layer of skin that provides the sense of touch, temperature, and pain is the:
a.epidermis.c.subcutaneous fat.
b.dermis.d.skin appendages.

ANS: B

Feedback
AThe epidermis is the outer layer of skin and has no blood supply of its own.
BThe dermis is thick connective tissue that contains free nerve endings and receptors that allow for detection of touch, temperature, and pain.
CThe subcutaneous fat layer is loose connective tissue that anchors the skin to underlying organs. It insulates the body against heat loss and cushions underlying organs.
DThe skin appendages include hair, nails, and glands.

PTS: 1 DIF: Easy REF: p. 76 TOP: Skin Structures

  1. Which type of joints are the fingers?
a.Fibrousc.Synovial
b.Cartilaginousd.Ball-and-socket

ANS: C

Feedback
AFibrous joints are where bones meet and do not move.
BCartilaginous joints have very limited movement.
CThe fingers move similar to the knees and elbows; thus they are considered to be synovial joints.
DBall-and-socket joints are also synovial joints, but they have a different range of motions than the fingers.

PTS: 1 DIF: Difficult REF: p. 60 TOP: Joints

  1. Why would a patient with multiple sclerosis be of concern to the dental staff?
a.The dental staff may contract the disease from the patient.
b.The patient may not be able to adequately take care of his mouth and any type of restorations that may be placed because of motor problems.
c.The patient may have uncontrollable seizures, which could cause him to hurt himself during treatment.
d.The patient may not have any memory of the dental appointments.

ANS: B

Feedback
AMultiple sclerosis is not a communicable disease; the dental staff cannot contract it from a patient.
BMultiple sclerosis can cause visual, motor, and/or sensory problems, which could affect how he can take care of himself.
CEpilepsy is commonly related to having seizures.
DUsually multiple sclerosis does not cause memory loss.

PTS: 1 DIF: Difficult REF: p. 69

TOP: Table 7-6: Disorders of the Nervous System

Bird & Robinson: Modern Dental Assisting, 10th Edition

Chapter 11: Overview of the Dentitions

Test Bank

MULTIPLE CHOICE

  1. There are _____ teeth in the primary dentition.
a.24c.20
b.32d.28

ANS: C

Feedback
AThe number of teeth in the primary dentition is not 24.
BThe number of teeth in the primary dentition is not 32.
CThe first set of 20 teeth is called the primary dentition or deciduous dentition.
DThe number of teeth in the primary dentition is not 28.

PTS: 1 DIF: Easy REF: p. 141 TOP: Dentition Periods

  1. The mixed dentition period begins with:
a.eruption of the first permanent tooth.
b.eruption of the first permanent maxillary central incisor.
c.loss of the first primary central incisor.
d.loss of the first primary molar.

ANS: A

Feedback
AThe mixed dentition period begins with eruption of the first permanent tooth.
BThe mixed dentition period begins with eruption of the first permanent tooth (more general), rather than eruption of the first permanent central incisor (more specific). Usually permanent first molars and mandibular central incisors erupt before permanent maxillary central incisors.
CThe mixed dentition period begins with eruption of the first permanent tooth, rather than loss of the first primary central incisor.
DThe mixed dentition period begins with eruption of the first permanent tooth, rather than loss of the first primary molar.

PTS: 1 DIF: Medium REF: p. 141 TOP: Mixed Dentition

  1. There are _____ succedaneous teeth.
a.32c.12
b.24d.20

ANS: D

Feedback
AThe number of succedaneous teeth is not 32.
BThe number of succedaneous teeth is not 24.
CThe number of succedaneous teeth is not 12.
DThere are 20 succedaneous teeth (permanent teeth that replace the primary teeth), the same as the number of teeth in the primary dentition.

PTS: 1 DIF: Difficult REF: p. 141 TOP: Dentition Periods

  1. The permanent dentition period begins at about 12 years of age when the:
a.last primary tooth is lost.c.third molars come in.
b.12-year molars erupt.d.jaws stop growing.

ANS: A

Feedback
AThe mixed dentition stage ends, and the permanent dentition period begins, when the last primary tooth is lost. This usually happens at about 12 years of age.
BPrimary teeth may still be present in the mouth when the 12-year molars erupt.
CThe third molars may erupt several years after the loss of the last primary tooth.
DThe growth of the jaw is not a contributing factor in differentiating the dentition periods.

PTS: 1 DIF: Medium REF: p. 142 TOP: Permanent Dentition

  1. The human mouth is divided into two sections, or arches, called the:
a.quadrants.c.mandibular arch.
b.maxillary arch.d.b and c.

ANS: D

Feedback
AThe quadrants include four parts: the two halves of the maxillary arch and the two halves of the mandibular arch.
BThe maxillary arch is one of the two sections.
CThe mandibular arch is one of the two sections.
DThe maxillary arch and mandibular arch are the two sections of the mouth.

PTS: 1 DIF: Easy REF: p. 142 TOP: Dental Arches

  1. The mouth can be divided into four sections called:
a.arches.c.quadrants.
b.sextants.d.dentitions.

ANS: C

Feedback
AThe arches consist of two sections: the maxillary and the mandibular.
BA sextant refers to one sixth of the dentition.
CThe maxillary and mandibular arches are each divided into halves; the resulting four sections are called quadrants.
DThe mouth will have two dentitions: the primary and the permanent.

PTS: 1 DIF: Easy REF: pp. 142-143 TOP: Quadrants

  1. The anterior teeth include the:
a.premolars.c.canines.
b.incisors.d.b and c.

ANS: D

Feedback
AThe premolars are posterior teeth.
BThe central incisors and lateral incisors are two of the three types of anterior teeth.
CThe canines are one of the three types of anterior teeth.
DThe incisors and canines make up the anterior teeth.

PTS: 1 DIF: Medium REF: p. 143 TOP: Anterior and Posterior Teeth

  1. The four types of teeth are _________, and molars.
a.incisors, canines, premolarsc.centrals, laterals, premolars
b.incisors, cuspids, caninesd.centrals, canines, bicuspids

ANS: A

Feedback
AThe four types of teeth found in the adult dentition are incisors, canines, premolars, and molars.
BCuspids and canines are two names for the same type of tooth. Premolars are the fourth type of tooth.
CCentrals and laterals are the two types of incisors. Canines are the fourth type of tooth.
DCentrals are a type of incisor. Premolars (not bicuspids) are the fourth type of tooth.

PTS: 1 DIF: Medium REF: p. 143

TOP: Types and Functions of Teeth

  1. _____ are the longest teeth in the human dentition and are used for cutting and tearing.
a.Incisorsc.Molars
b.Caninesd.Premolars

ANS: B

Feedback
AIncisors have a shorter crown-root length than the canines.
BThe canines are used for cutting and tearing and are the longest teeth in the human dentition. They are sometimes known as the cornerstone of the dental arch.
CMolars have a shorter crown-root length than the canines.
DPremolars have a shorter crown-root length than the canines.

PTS: 1 DIF: Easy REF: p. 143 TOP: Canines

  1. _____ are used for chewing and grinding food.
a.Molarsc.Premolars
b.Caninesd.Both a and c

ANS: D

Feedback
AMolars are one of two types of teeth used for chewing and grinding food.
BCanines are used for cutting and tearing.
CPremolars are one of two types of teeth used for chewing and grinding food.
DThe molars and premolars are used for chewing and grinding food.

PTS: 1 DIF: Medium REF: p. 143

TOP: Types and Functions of Teeth

  1. Every tooth in the mouth has five surfaces, the:.
a.mesial, distal, lingual, labial, and facial.
b.mesial, distal, facial, lingual, and masticatory (occlusal or incisal).
c.buccal, labial, lingual, masticatory (occlusal or incisal), and distal.
d.facial, lingual, buccal, labial, and mesial.

ANS: B

Feedback
AEach tooth has a masticatory (incisal or occlusal) surface.
BThe five surfaces of the teeth are the mesial, distal, facial, lingual, and masticatory. The surface of mastication on the posterior teeth is the occlusal; on the anterior teeth, it is the incisal.
CEach tooth has a mesial surface.
DEach tooth has a distal surface.

PTS: 1 DIF: Medium REF: p. 145 TOP: Tooth Surfaces

  1. Which of the following statements is true of the contours of teeth?
a.With overcontouring, the gingiva may be traumatized by food pushing against it.
b.With undercontouring, the gingiva will lack adequate stimulation and be difficult to clean.
c.The crown of the tooth narrows toward the cervical line.
d.A convex surface is curved inward.

ANS: C

Feedback
AThe crown of the tooth narrows toward the cervical line. With overcontouring, the gingiva will lack adequate stimulation and be difficult to clean.
BThe crown of the tooth narrows toward the cervical line. With undercontouring, the gingiva may be traumatized by food pushing against it.
CThe crown of the tooth narrows toward the cervical line.
DThe crown of the tooth narrows toward the cervical line. A convex surface is curved outward and a concave surface is curved inward.

PTS: 1 DIF: Medium REF: p. 146 TOP: Contours

  1. The area where the mesial or distal surfaces of the tooth touch the adjacent tooth in the arch is the:
a.embrasurec.contact area.
b.contact point.d.point angle.

ANS: C

Feedback
AAn embrasure is a triangular space near the gingiva, between the proximal surfaces of two adjoining teeth.
BThe contact point is the exact spot at which the teeth actually touch.
CThe area where the mesial and distal surfaces of the tooth touch the adjacent tooth in the arch is the contact area. The exact spot where the teeth actually touch is the contact point.
DA point angle is the junction of three tooth surfaces.

PTS: 1 DIF: Easy REF: p. 147 TOP: Contacts

  1. The relationship between the maxillary and mandibular teeth when the jaws are in a fully closed position is:
a.occlusion.c.interproximal.
b.closure.d.functional closure.

ANS: A

Feedback
AOcclusion is defined as the relationship between the maxillary and mandibular teeth when the upper and lower jaws are in a fully closed position.
BClosure is the action of the two arches coming together into occlusion.
CInterproximal describes the space between two proximal surfaces.
DThe correct term is functional occlusion, which describes the contact of the teeth during biting and chewing movements.

PTS: 1 DIF: Medium REF: p. 149 TOP: Occlusion and Malocclusion

  1. The jaw position that produces maximal stable contact between the occluding surfaces of the maxillary and mandibular teeth is:
a.functional occlusion.c.basic occlusion.
b.malocclusion.d.centric occlusion.

ANS: D

Feedback
AFunctional occlusion describes the contact of the teeth during chewing and biting movements.
BMalocclusion refers to malpositioned or abnormal relationships of the arches in centric occlusion.
CBasic occlusion is not a term used to describe occlusion.
DCentric occlusion occurs when the jaws are closed in a position that produces maximal stable contact between the occluding surfaces of the maxillary and mandibular teeth.

PTS: 1 DIF: Medium REF: p. 149 TOP: Occlusion and Malocclusion

  1. The key to Angle’s classification system for occlusion and malocclusion is:
a.the premolars.c.the permanent maxillary first molars.
b.TMJ alignment.d.the primary dentition.

ANS: C

Feedback
AAngle’s classification does not use the premolar as the key to occlusion.
BThe teeth, not the TMJ, are used to describe an occlusal classification.
CThe permanent maxillary first molars are used as the key to occlusion and malocclusion in Angle’s classification system.
DAngle’s classification is based on the relationship of the permanent teeth.

PTS: 1 DIF: Medium REF: p. 149 TOP: Angle’s Classification

  1. Which tooth-numbering system is used most often in the United States?
a.Palmer Notation System
b.Universal/National System
c.International Standards Organization System
d.Fédération Dentaire Internationale System

ANS: B

Feedback
AThe Palmer Notation System is not the most commonly used numbering system in the United States.
BThe Universal/National System, approved by the ADA in 1968, is the tooth-numbering system used most often in the United States.
CThe International Standards Organization System is one of the numbering systems accepted for international use by the World Health Organization.
DThe Fédération Dentaire Internationale System is one of the numbering systems accepted for international use by the World Health Organization.

PTS: 1 DIF: Easy REF: p. 153 TOP: Universal/National System

  1. The permanent teeth are _____ in the Universal/National System.
a.numbered 1 to 32
b.lettered
c.numbered by quadrant
d.numbered with the maxillary central incisors as 18 and 28

ANS: A

Feedback
AIn the Universal/National System, the permanent teeth are numbered from 1 to 32 starting at the upper right third molar.
BThe primary teeth are lettered in the Universal/National System.
CThe teeth are numbered by quadrant in the ISO/FDI numbering system.
DThe maxillary central incisors are numbered as 8 and 9 in the Universal/National System.

PTS: 1 DIF: Medium REF: p. 153 TOP: Universal/National System

  1. According to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth number:
a.19.c.36.
b.23.d.73.

ANS: C

Feedback
AAccording to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth 36. An adult mandibular left first molar would be tooth 19 when using the Universal/National System.
BAccording to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth 36. Tooth 23 would be a maxillary left canine tooth.
CAccording to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth 36. The first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior. The mandibular left quadrant is given digit 3.
DAccording to the ISO/FDI numbering system, an adult mandibular left first molar would be tooth 36. A primary mandibular left canine would be tooth 73.

PTS: 1 DIF: Medium REF: p. 153

TOP: International Standards Organization System

  1. Which of the following is true of the Palmer Notation System (PNS)?
a.The permanent teeth are numbered from 1 to 32. Numbering begins with the upper-right third molar, works around to the upper-left third molar, drops to the lower-left third molar, and works around to the lower-right third molar.
b.The first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
c.The first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
d.Each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line.

ANS: D

Feedback
AIn the Palmer Notation System (PNS), each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line. The Universal/National System features numbering from tooth 1 to 32.
BIn the Palmer Notation System (PNS), each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line. In the ISO/FDI System, the first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
CIn the Palmer Notation System (PNS), each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line. In the ISO/FDI System, the first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with numbering from the midline to the posterior.
DIn the Palmer Notation System (PNS), each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line.

PTS: 1 DIF: Difficult REF: pp. 153-154 TOP: Palmer Notation System

  1. The natural teeth in the dental arch are the:
a.deciduous.c.embrasure.
b.dentition.d.succedaneous.

ANS: B

Feedback
ADeciduous is another name for the primary teeth.
BDentition describes the natural teeth in the dental arch.
CAn embrasure is a triangular space near the gingiva, between the proximal surfaces of two adjoining teeth.
DSuccedaneous refers to permanent teeth that replace primary teeth.

PTS: 1 DIF: Easy REF: p. 140 TOP: Dentition Periods

  1. The first set of primary teeth is also referred to as _____ teeth.
a.deciduousc.embrasure
b.dentitiond.succedaneous

ANS: A

Feedback
ADeciduous teeth are also known as the primary or “baby” teeth.
BDentition describes the natural teeth in the dental arch.
CAn embrasure is a triangular space near the gingiva, between the proximal surfaces of two adjoining teeth.
DSuccedaneous refers to permanent teeth that replace primary teeth.

PTS: 1 DIF: Easy REF: p. 141 TOP: Dentition Periods

  1. Which permanent teeth are nonsuccedaneous teeth?
a.Incisorsc.Premolars
b.Cuspidsd.Molars

ANS: D

Feedback
AIncisors are succedaneous teeth because they replace the primary incisors.
BCuspids are succedaneous teeth because they replace the primary cuspids.
CPremolars are succedaneous teeth because they replace the primary molars.
DThe permanent molars are nonsuccedaneous teeth because they do not replace any primary teeth. All permanent molars erupt posterior to the primary molars.

PTS: 1 DIF: Medium REF: p. 141 TOP: Dentition Periods

  1. Which dentition takes place between 6 to 12 years of age and exhibits both primary teeth and permanent teeth in the oral cavity at the same time?
a.Primaryc.Mixed
b.Permanentd.None of the above

ANS: C

Feedback
AIn primary dentition there are only primary or “baby” teeth in the oral cavity.
BIn permanent dentition there are only permanent teeth in the oral cavity.
CIn mixed dentition there are both primary and permanent teeth in the oral cavity. This period takes place from 6 to 12 years of age.
DThe correct answer is mixed dentition.

PTS: 1 DIF: Easy REF: p. 141 TOP: Dentition Periods

  1. The upper teeth are set in the:
a.zygomatic.c.mandible.
b.maxilla.d.mentalis.

ANS: B

Feedback
AThe zygomatic bone forms the cheek bone.
BThe upper teeth are set in the maxillary bone, commonly called the maxilla.
CThe lower jaw bone is commonly called the mandible.
DThe mentalis is commonly called the chin.

PTS: 1 DIF: Easy REF: p. 142 TOP: Dental Arches

  1. The mandibular arch is movable through the action of the:
a.temporomandibular joint.c.gomphosis.
b.maxilla.d.cartilaginous joint.

ANS: A

Feedback
AThe temporomandibular joint allows the mandible to move, articulating with the maxilla.
BThe maxilla is the upper arch or upper jaw.
CA gomphosis is a synovial joint that moves. It forms the attachment of the tooth to the socket.
DA cartilaginous joint is made of connective tissue and cartilage. These joints move very slightly. An example is the joint between vertebrae.

PTS: 1 DIF: Medium REF: p. 142 TOP: Dental Arches

  1. Each quadrant of the permanent dentition contains _____ teeth, whereas each quadrant of the primary dentition contains _____ teeth.
a.32; 20c.8; 5
b.16; 10d.10; 16

ANS: C

Feedback
AThere are 32 total teeth in the permanent dentition and 20 total teeth in the primary dentition.
BThere are 16 teeth in one arch of the permanent dentition and 10 teeth in one arch of the primary dentition.
CThere are 8 teeth in a quadrant of the permanent dentition and 5 teeth in a quadrant of the primary dentition.
DThere are 8 teeth in a quadrant of a permanent dentition and 5 teeth in a quadrant of a primary dentition.

PTS: 1 DIF: Medium REF: pp. 142-143 TOP: Quadrants

  1. If the dentition is divided into sextants instead of quadrants, how many sextants are there in each arch?
a.3c.9
b.6d.12

ANS: A

Feedback
AA sextant is one-sixth of the dentition, so there are three sextants in each arch.
BA sextant is one-sixth of the dentition, so there are three sextants in each arch.
CA sextant is one-sixth of the dentition, so there are three sextants in each arch.
DA sextant is one-sixth of the dentition, so there are three sextants in each arch.

PTS: 1 DIF: Medium REF: p. 143 TOP: Sextants

  1. The posterior teeth include the _____ and the _____.
a.incisors; caninesc.premolars; molars
b.canines; premolarsd.incisors; molars

ANS: C

Feedback
AThe incisors and canines are anterior teeth.
BThe canines are anterior teeth and the premolars are posterior teeth.
CThe premolars and molars are the posterior teeth.
DThe incisors are anterior teeth and the molars are posterior teeth.

PTS: 1 DIF: Easy REF: p. 143 TOP: Anterior and Posterior Teeth

  1. Which type of tooth is not in the primary dentition but found only in the permanent dentition?
a.Incisorc.Premolar
b.Canined.Molar

ANS: C

Feedback
AThe primary dentition does have eight incisors.
BThe primary dentition does have four canines.
CThe primary dentition consists of incisors, canines, and molars. There are no premolars in the primary dentition; they are only in the permanent dentition.
DThe primary dentition does have eight molars.

PTS: 1 DIF: Easy REF: p. 143

TOP: Types and Functions of Teeth

  1. Incisors:
a.are anterior teeth.c.are designed to cut food.
b.exist only in the primary dentition.d.both a and c.

ANS: D

Feedback
AIncisors are anterior teeth and they are also designed to cut food.
BIncisors are found in both the primary and permanent dentitions.
CIncisors are designed to cut food and they are also anterior teeth.
DIncisors are located in the front of the mouth, making them anterior teeth. They have sharp, thin edges that are used to cut food.

PTS: 1 DIF: Easy REF: p. 143 TOP: Incisors

  1. The canines are also known as:
a.laterals.c.cuspids.
b.bicuspids.d.none of the above.

ANS: C

Feedback
AThe laterals are incisors that are located next to the central incisors.
BThe bicuspids are also known as premolars.
CThe canines are also known as cuspids.
DThe canines are also known as cuspids.

PTS: 1 DIF: Easy REF: p. 143 TOP: Canines

  1. Which statement is not true of the premolars?
a.They are also referred to as bicuspids.
b.There are eight premolars in the permanent dentition.
c.There are four premolars in the primary dentition.
d.The premolars are used primarily for chewing and grinding food.

ANS: C

Feedback
APremolars are referred to as bicuspids.
BThere are eight premolars in the permanent dentition, two in each quadrant.
CThere are no premolars in the primary dentition.
DThe premolars are a cross between canines and molars. They are used primarily for grinding and chewing of food.

PTS: 1 DIF: Medium REF: p. 143 TOP: Premolars

  1. Which is the correct order of the teeth from anterior to posterior in the permanent dentition?
a.Molars, premolars, canines, incisorsc.Canines, incisors, premolars, molars
b.Incisors, canines, premolars, molarsd.Incisors, premolars, canines, molars

ANS: B

Feedback
AMolars and premolars are posterior teeth; canines are between the premolars and incisors.
BIn the permanent dentition, the teeth are from incisors to canines to premolars to molars.
CIncisors are the first anterior teeth, then canines, then premolars, and then molars.
DIncisors are the first anterior teeth, then canines, then premolars, and then molars.

PTS: 1 DIF: Medium REF: p. 143

TOP: Types and Functions of Teeth

  1. The facial surface closest to the lips is the _____ surface.
a.labialc.masticatory
b.linguald.proximal

ANS: A

Feedback
AThe facial surface closest to the lips is the labial surface.
BThe lingual surface is the surface on the tongue side of the tooth.
CThe masticatory surface is the chewing surface of a tooth.
DThe proximal surface is a surface adjacent to another tooth.

PTS: 1 DIF: Easy REF: p. 145 TOP: Tooth Surfaces

  1. The terms labial and buccal can be substituted for:
a.incisal.c.distal.
b.facial.d.lingual.

ANS: B

Feedback
AThe incisal surface is the biting surface of an anterior tooth.
BThe terms labial and buccal can be substituted for facial.
CThe distal surface is the tooth surface farthest from the midline.
DThe lingual surface is the tooth surface on the tongue side of the tooth.

PTS: 1 DIF: Medium REF: p. 145 TOP: Tooth Surfaces

  1. The tooth surface closest to the tongue on both the anterior and posterior teeth is the:
a.incisal.c.palatal.
b.buccal.d.lingual.

ANS: D

Feedback
AThe incisal surface is the surface of an anterior tooth that is the incisal edge used for cutting and tearing food.
BThe buccal surface is the surface of a posterior tooth that is next to the cheek.
CThe palatal surface is the surface of an anterior tooth that is closest to the palate.
DThe tooth surface closest to the tongue on both the anterior and posterior teeth is the lingual surface.

PTS: 1 DIF: Easy REF: p. 145 TOP: Tooth Surfaces

  1. The _____ surface is the chewing surface on both anterior and posterior teeth.
a.incisalc.masticatory
b.occlusald.lingual

ANS: C

Feedback
AThe incisal surface is the biting or tearing surface of the anterior teeth.
BThe occlusal surface is the broad chewing surface of the posterior teeth.
CThe masticatory surface is the chewing surface of both anterior and posterior teeth. On anterior teeth, the surface is also known as the incisal surface (or edge). On posterior teeth, the surface is also known as the occlusal surface.
DThe lingual surface is on both anterior and posterior teeth and is closest to the tongue.

PTS: 1 DIF: Easy REF: p. 145 TOP: Tooth Surfaces

  1. The two tooth surfaces that are proximal surfaces are the _____ and the _____.
a.mesial; distalc.incisal; occlusal
b.labial; linguald.palatal; masticatory

ANS: A

Feedback
AThe proximal surfaces are surfaces that are adjacent to each other. For example, the mesial surface of the second premolar and the distal surface of the first premolar are proximal surfaces.
BThe labial surface is toward the lips of anterior teeth and the lingual surface is the surface closest to the tongue on both anterior and posterior teeth.
CThe incisal surface is the tearing and cutting surface of anterior teeth, whereas the occlusal surface is the chewing surface of posterior teeth.
DThe palatal surface is the surface closest to the palate on maxillary teeth, also referred to as the lingual surface. The masticatory surface is also called the occlusal surface, and is used for chewing.

PTS: 1 DIF: Difficult REF: p. 145 TOP: Tooth Surfaces

  1. The anatomic features of the teeth help:
a.maintain their position in the dental arch.c.do both a and b.
b.protect the tissues during chewing..d.do neither a nor b.

ANS: C

Feedback
AThe anatomic features help maintain the teeth in their position in the dental arch and also help protect the gingival tissues during chewing.
BThe anatomic features help protect the gingival tissues during chewing and also help maintain the teeth in their position in the dental arch.
CThe anatomic features, contours, contacts, and embrasures all help maintain the teeth in their position in the dental arch and help protect the gingival tissues during chewing.
DThe anatomic features help maintain the teeth in their position in the dental arch and help protect the gingival tissues during chewing.

PTS: 1 DIF: Easy REF: p. 145

TOP: Anatomic Features of the Teeth

  1. The exact spot where adjacent teeth actually touch each other is the:
a.contour.c.height of contour.
b.contact area.d.contact point.

ANS: D

Feedback
AContour is the curvature or shape of the tooth.
BContact area is the area of the mesial or the distal surface of a tooth that touches the adjacent tooth in the same arch.
CThe height of contour is the widest point on a specific surface of a tooth.
DThe contact point is the exact spot where two adjacent teeth actually touch each other.

PTS: 1 DIF: Easy REF: p. 147 TOP: Contacts

  1. Correct contact between adjacent teeth is important because proper contact:
a.helps prevent food from being trapped between the teeth.
b.stabilizes the dental arch by holding teeth in positive contact with each other.
c.protects the interproximal gingival tissue from trauma during chewing.
d.does all of the above.

ANS: D

Feedback
AHelping to prevent food from being trapped between the teeth is one purpose. Proper contact also stabilizes the dental arch by holding teeth in positive contact with each other and protects the interproximal gingival tissue from trauma during chewing.
BStabilizing the dental arch by holding teeth in positive contact with each other is one purpose. Proper contact also helps prevent food from being trapped between the teeth and protects the interproximal gingival tissue from trauma during chewing.
CProtecting the interproximal gingival tissue from trauma during chewing is one purpose. Proper contact also helps prevent food from being trapped between the teeth and stabilizes the dental arch by holding teeth in positive contact with each other.
DAll of the answers listed are correct.

PTS: 1 DIF: Medium REF: p. 147 TOP: Contacts

  1. The crown of a tooth that is divided crosswise with the division being parallel to the occlusal or incisal surface of the tooth has which of the following divisions?
a.Mesial third, middle third, and distal third
b.Occlusal third, middle third, and cervical third
c.Facial third, middle third, and lingual third
d.Incisal third, middle third, and lingual third

ANS: B

Feedback
AThe mesial, middle, and distal thirds make up the mesiodistal division. This division is lengthwise in a mesial-to-distal (front-to-back) direction.
BThe crosswise division parallel to the occlusal or incisal surface is the occlusocervical division. It consists of the occlusal, middle, and cervical thirds.
CThe facial, middle, and lingual thirds make up the buccolingual division. This division is lengthwise in a labial- or buccal-to-lingual direction.
DThere is no division that includes incisal, middle, and lingual thirds.

PTS: 1 DIF: Difficult REF: p. 148 TOP: Divisions into Thirds

  1. _____ is the standard for normal occlusion.
a.Centric occlusionc.Physiologic occlusion
b.Functional occlusiond.Malocclusion

ANS: A

Feedback
ACentric occlusion is the standard for normal occlusion. It occurs when the jaws are closed in a position that produces maximal stable contact between the arches.
BFunctional occlusion is used to describe contact of the teeth during biting and chewing movement.
CPhysiologic occlusion is another term for functional occlusion.
DMalocclusion refers to an abnormal relationship of the arches when in centric occlusion.

PTS: 1 DIF: Easy REF: p. 149 TOP: Occlusion and Malocclusion

  1. In the Universal/National System, the primary teeth are identified using _____ and the permanent teeth are identified using _____.
a.brackets with letters; brackets with numbers
b.letters A to T; numbers 1 to 32
c.numbers 1 to 32; letters A to T
d.letters A to E; numbers 1 to 8

ANS: B

Feedback
AThe Palmer Notation System uses brackets to identify the quadrants with letters for primary teeth and numbers for permanent teeth.
BIn the Universal/National System the primary teeth are identified using letters A to T and the permanent teeth are identified using numbers 1 to 32.
CIn the Universal/National System the primary teeth are identified using letters A to T and the permanent teeth are identified using numbers 1 to 32.
DThe Palmer Notation System uses the letters A to E for the primary dentition, with all molars being “E,” and for the permanent dentition all the molars are “8.”

PTS: 1 DIF: Easy REF: p. 153 TOP: Tooth-Numbering Systems

  1. If a dentist uses the ISO numbering system and charts #11, #12, #53, #54, and #18 teeth as being present in the patient’s mouth, approximately what is the age of the patient?
a.5 to 6 years oldc.8 to 9 years old
b.6 to 7 years oldd.12 to 13 years old

ANS: C

Feedback
ATooth #12 does not erupt until about 8 to 9 years of age, so the patient would be older than 5 to 6 years of age.
BTooth #12 does not erupt until about 8 to 9 years of age, so the patient would be older than 6 to 7 years of age.
CTeeth #11 and #12 are the permanent central and lateral incisors that erupt between 7 to 9 years of age, whereas #18 is the permanent first molar that erupts around 6 to 7 years of age; the other teeth are all primary teeth. So the patient is approximately between 8 to 9 years old.
DIf the patient were 12 to 13 years old, teeth #13 and #14 would be present.

PTS: 1 DIF: Difficult REF: p. 142

TOP: Table 11-3: Permanent Dentition in Order of Eruption

Bird & Robinson: Modern Dental Assisting, 10th Edition

Chapter 15: Preventive Dentistry

Test Bank

MULTIPLE CHOICE

  1. The goal of preventive dentistry is to:
a.provide the best esthetic dentistry possible.
b.provide the best patient experience through superior practice management.
c.balance office accounts payable and receivable.
d.help people of all ages to have the maximum oral health possible, throughout their lives.

ANS: D

Feedback
AThe goal of preventive dentistry is to help people of all ages to have the maximum oral health possible, throughout their lives. Providing the best esthetic dentistry possible is a restorative rather than preventive goal.
BThe goal of preventive dentistry is to help people of all ages to have the maximum oral health possible, throughout their lives. Superior practice management is a business goal.
CThe goal of preventive dentistry is to help people of all ages to have the maximum oral health possible, throughout their lives. Balancing accounts payable and receivable is a business goal.
DThe goal of preventive dentistry is to help people of all ages to have the maximum oral health possible, throughout their lives.

PTS: 1 DIF: Easy REF: p. 199 TOP: Introduction

  1. As a dental assistant, your first step as a partner in prevention with your patients is to:
a.motivate patients to change their behaviors.
b.help patients become partners in recognizing and preventing dental disease in themselves.
c.help patients become partners in recognizing and preventing dental disease in their families.
d.help patients understand what causes dental disease and how to prevent it.

ANS: D

Feedback
AAs a dental assistant, your first step as a partner in prevention with your patients is to help patients understand what causes dental disease and how to prevent it. The next step is to motivate patients to change their behaviors and to become active partners in recognizing and preventing dental disease in themselves and their families.
BAs a dental assistant, your first step as a partner in prevention with your patients is to help patients understand what causes dental disease and how to prevent it. The next step is to motivate patients to change their behaviors and to become active partners in recognizing and preventing dental disease in themselves and their families.
CAs a dental assistant, your first step as a partner in prevention with your patients is to help patients understand what causes dental disease and how to prevent it. The next step is to motivate patients to change their behaviors and to become active partners in recognizing and preventing dental disease in themselves and their families.
DAs a dental assistant, your first step as a partner in prevention with your patients is to help patients understand what causes dental disease and how to prevent it.

PTS: 1 DIF: Medium REF: p. 199 TOP: Partners in Prevention

  1. A preventive care dental program is a partnership between the:
a.dentist and hygienist.c.patient and the dental healthcare team.
b.hygienist and the patient.d.dentist and dental assistant.

ANS: C

Feedback
AThe dental assistant is also a member of the dental team, and the patient is the other half of the partnership.
BThe dentist and dental assistant are the other members of the dental health team.
CA successful preventive dentistry program is a partnership between the patient and the dental healthcare team.
DThe dental hygienist is also a member of the dental team, and the patient is the other half of the partnership.

PTS: 1 DIF: Medium REF: p. 199 TOP: Partners in Prevention

  1. Since the 1950s, _____ has been the primary weapon in combating dental caries.
a.toothbrushingc.sealants
b.fluorided.flossing

ANS: B

Feedback
AToothbrushing, sealants, and flossing do not individually slow demineralization and enhance remineralization, two of the most important aspects of reducing dental caries.
BThe use of fluoride has been the primary weapon used to combat dental caries since the 1950s.
CToothbrushing, sealants, and flossing do not individually slow demineralization and enhance remineralization, two of the most important aspects of reducing dental caries.
DToothbrushing, sealants, and flossing do not individually slow demineralization and enhance remineralization, two of the most important aspects of reducing dental caries.

PTS: 1 DIF: Difficult REF: p. 202 TOP: Fluoride

  1. To avoid spreading bacteria that cause caries in a baby, a parent should not put anything into the baby’s mouth:
a.without sterilizing it first in an autoclave.
b.that has been in his or her own mouth.
c.except disposable “plasticware.”
d.without taking a bite or sip first to make sure it is not spoiled.

ANS: B

Feedback
ATo avoid spreading bacteria that cause caries in a baby, the parents should not put anything into the baby’s mouth that has been in their own mouths. It is unrealistic and unnecessary to autoclave everything.
BTo avoid spreading bacteria that cause caries in a baby, parents should not put anything into the baby’s mouth that has been in their own mouths.
CTo avoid spreading bacteria that cause caries in a baby, the parents should not put anything into the baby’s mouth that has been in their own mouths. It doesn’t matter what the material is.
DTo avoid spreading bacteria that cause caries in a baby, the parents should not put anything into the baby’s mouth that has been in their own mouths. Taking a bite or sip first does exactly the opposite.

PTS: 1 DIF: Medium REF: p. 201 TOP: Dental Care for 0 to 5 Years

  1. Fluoride that is ingested in water, food, beverages, or supplements is known as:
a.topical fluoride.c.systemic fluoride.
b.ingested fluoride.d.fluoride gel.

ANS: C

Feedback
ATopical fluoride is applied in direct contact with the tooth surface.
BIngested fluoride is how fluoride is delivered systemically.
CSystemic fluoride is fluoride that is ingested in water, food, or beverages or by taking supplements. The fluoride that is needed is absorbed through the intestine into the bloodstream.
DFluoride gel is one type of topical fluoride.

PTS: 1 DIF: Medium REF: p. 202 TOP: Fluoride

  1. A condition that results from chronic overexposure to fluoride is known as:
a.fluorosis.c.fluoride poisoning.
b.staining.d.a toxic reaction.

ANS: A

Feedback
AFluorosis can affect children under the age of six, whose developing teeth receive chronic overexposure to fluoride.
BStaining is a symptom of fluorosis.
CFluoride poisoning is another term for a toxic reaction.
DA toxic reaction can be an acute reaction caused by abuse of high concentration gels or solutions or by accidental ingestion of a concentrated fluoride preparation.

PTS: 1 DIF: Easy REF: p. 202 TOP: Safe and Toxic Levels

  1. Advantages of a fluoride needs assessment include:
a.“standardization” of patient fluoride therapies.
b.allowing the dentist to more accurately determine the appropriate fluoride therapy.
c.modification of community water fluoridation to meet individual patient needs.
d.elimination of dietary fluoride.

ANS: B

Feedback
AAdvantages of fluoride needs assessment include helping to “individualize” rather than “standardize” patient fluoride therapies.
BAdvantages of a fluoride needs assessment include allowing the dentist to more accurately determine the appropriate fluoride therapy.
CAdvantages of a fluoride needs assessment include allowing the dentist to more accurately determine the appropriate fluoride therapy. It would be unrealistic to suggest modification of community water fluoridation to meet individual patient needs.
DAdvantages of a fluoride needs assessment include allowing the dentist to more accurately determine the appropriate fluoride therapy. It does not suggest elimination of dietary fluoride.

PTS: 1 DIF: Medium REF: p. 203 TOP: Fluoride Needs Assessment

  1. The major effects of water fluoridation have been proven to be:
a.systemic.c.both a and b.
b.topical.

ANS: B

Feedback
AThe major effects of water fluoridation are not achieved through systemic consumption.
BThe effects of water fluoridation on the teeth have been proven to be topical rather than systemic, as was once believed.
CThe major effects of water fluoridation are received topically, not systemically.

PTS: 1 DIF: Difficult REF: pp. 203-204 TOP: Fluoridated Water

  1. One part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a _____ of water.
a.cup (8 ounces)c.bathtub
b.gallond.swimming pool

ANS: C

Feedback
AOne part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a bathtub rather than a cup of water.
BOne part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a bathtub rather than a gallon of water.
COne part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a bathtub of water.
DOne part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a bathtub rather than a swimming pool of water.

PTS: 1 DIF: Medium REF: pp. 203-204 TOP: Fluoridated Water

  1. The primary source of topical fluoride is:
a.fluoridated drinking water.c.fluoridated toothpaste.
b.fluoride mouth rinses.d.in-office fluoride treatments.

ANS: C

Feedback
AThe tooth surface is exposed to fluoride in drinking water only briefly as it is consumed.
BA fluoride mouth rinse may be recommended for the high-risk caries patient.
CA patient’s main source of topical fluoride comes from fluoridated toothpaste.
DIn-office fluoride treatments may be recommended for some children and for some high-risk caries patients.

PTS: 1 DIF: Difficult REF: pp. 204-205 TOP: Toothpastes

  1. Dental caries cannot occur without:
a.dietary proteins.
b.dietary sugars.
c.the presence of specific bacteria in the mouth.
d.both b and c.

ANS: D

Feedback
ACarbohydrates, not proteins, are the dietary source for dental caries.
BDietary sugar is one of two elements that must be present for development of dental caries.
CThe presence of specific bacteria in the mouth is one of two elements that must occur for development of dental caries.
DFor the dental caries process to occur, specific bacteria and dietary sugars must both be present in the mouth.

PTS: 1 DIF: Medium REF: p. 207 TOP: Nutrition and Dental Caries

  1. Foods that cause caries are known as:
a.cariogenic.c.xylitol.
b.anticariogenic.d.aspartame.

ANS: A

Feedback
AA food that is capable of causing dental caries is known as cariogenic.
BAnticariogenic refers to a food that will not cause dental caries.
CXylitol is an artificial sweetener that actually prevents dental caries.
DAspartame is a sugar substitute that does not cause dental caries.

PTS: 1 DIF: Easy REF: p. 207 TOP: Nutrition and Dental Caries

  1. A dietary analysis using a food diary includes everything a patient consumes each day for:
a.a month.c.a week.
b.two weeks.d.six months.

ANS: C

Feedback
AThe time frame used for a dietary analysis is not a month.
BThe time frame used for a dietary analysis is not two months.
CThe first step in a dietary analysis involves the patient keeping a food diary for one week. The diary should list everything the patient consumes and the time that it was consumed.
DThe time frame used for a dietary analysis is not six months.

PTS: 1 DIF: Medium REF: p. 211 TOP: Dietary Analysis

  1. The goal of a plaque control program is to thoroughly remove plaque at least _____ a day.
a.oncec.four times
b.twiced.five times

ANS: A

Feedback
AThe goal of a plaque control program is to thoroughly remove plaque at least once a day. After plaque has been thoroughly removed, it takes about 24 hours to form again.
BThe goal of a plaque control program is to thoroughly remove plaque at least once, not twice, a day. It is important that patients are aware of this as plaque control becomes a quantity, rather than quality, issue for some of them.
CThe goal of a plaque control program is to thoroughly remove plaque at least once, not four times, a day. It is important that patients are aware of this as plaque control becomes a quantity, rather than quality, issue for some of them.
DThe goal of a plaque control program is to thoroughly remove plaque at least once, not five times, a day. It is important that patients are aware of this as plaque control becomes a quantity, rather than quality, issue for some of them.

PTS: 1 DIF: Easy REF: p. 211 TOP: Plaque Control Program

  1. Dental professionals generally recommend that patients use _____ toothbrushes.
a.soft-bristledc.only automatic
b.hard-bristledd.only manual

ANS: A

Feedback
ASoft-bristled toothbrushes are gentler to the gingiva and to any exposed cementum or dentin. Dentists usually recommend toothbrushes with soft bristles for this reason and because they adapt to the contours of the teeth better than hard bristles.
BThe hard-bristled toothbrush does not adapt as well to the contours of the teeth.
CWhen used properly, automatic toothbrushes are effective in the removal of dental plaque and may be recommended to a patient to meet specific needs.
DWhen used properly, manual toothbrushes are effective in the removal of dental plaque and may be recommended to a patient to meet specific needs.

PTS: 1 DIF: Medium REF: pp. 212-213 TOP: Manual Toothbrushes

  1. Things to consider when you are teaching a patient how to brush most effectively include:
a.The patient’s agec.The patient’s personal preferences
b.The patient’s dexterityd.All of the above

ANS: D

Feedback
AA patient’s age is only one consideration with proper toothbrushing. Dexterity and personal preference should also play into the instruction.
BA patient’s dexterity is only one consideration with proper toothbrushing. Age and personal preference should also play into the instruction.
CA patient’s personal preference is only one consideration with proper toothbrushing. Age and dexterity should also play into the instruction.
DAge, dexterity, and personal preference are all factors to be considered in proper toothbrushing education and instruction.

PTS: 1 DIF: Medium REF: p. 213 TOP: Toothbrushing

  1. Patients should be cautioned about abnormal _____ of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.
a.attritionc.erosion
b.abrasiond.abfraction

ANS: B

Feedback
AAttrition is tooth-to-tooth wear. Patients should be cautioned about abnormal abrasion of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.
BPatients should be cautioned about abnormal abrasion of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.
CErosion is caused by acid. Patients should be cautioned about abnormal abrasion of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.
DAbfraction is caused by bruxing (grinding). Patients should be cautioned about abnormal abrasion of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.

PTS: 1 DIF: Medium REF: p. 216 TOP: Toothbrushing Precautions

  1. Dental floss should be used _____ brushing teeth.
a.beforec.a or b
b.after

ANS: A

Feedback
AThe patient should be instructed to floss before brushing so that the fluoride in the dentifrice can reach the proximal surfaces of the teeth.
BFor maximum plaque removal, flossing should be done before brushing.
CFlossing should be done before, not after, brushing.

PTS: 1 DIF: Medium REF: p. 217 TOP: When to Floss

  1. A toothpick is utilized as a component of which of the following interdental aids?
a.End-tuft brushc.Automatic flosser
b.Bridge threaderd.Perio-aid

ANS: D

Feedback
AA toothpick is utilized as a component of the perio-aid. An end-tuft brush is made from soft nylon filaments.
BA toothpick is utilized as a component of the perio-aid. Bridge threaders are used with regular dental floss.
CA toothpick is utilized as a component of the perio-aid. Automatic flossers have one-use, replaceable, thin rubber filament tips.
DA toothpick is utilized as a component of the perio-aid. A perio-aid is a handle with holes in the end designed to hold toothpicks.

PTS: 1 DIF: Medium REF: p. 219 TOP: Perio-Aid

  1. An oral irrigation device is used:
a.instead of dental floss.
b.for all periodontal patients.
c.to reduce bacterial levels in subgingival areas.
d.to replace other oral hygiene techniques.

ANS: C

Feedback
AOral irrigation can be used as a supplement with other oral hygiene techniques, such as brushing and flossing.
BOral irrigation may be prescribed for selected patients.
CAn oral irrigation device may be used to reduce bacterial levels in the subgingival areas of the mouth.
DOral irrigation is not a replacement for, but a supplement to, regular oral hygiene care.

PTS: 1 DIF: Medium REF: p. 221 TOP: Oral Irrigation Devices

  1. The first step in patient education is to:
a.instruct the patient on how to remove plaque.
b.select home care aids.
c.listen carefully to the patient.
d.reinforce home care.

ANS: C

Feedback
APlaque removal instruction is step two.
BSelection of home care aids is step four.
CThe first step in a patient education program is to listen carefully to the patient, so that you can understand his or her dental healthcare needs, as well as his or her perceptions of those needs.
DHome care reinforcement is step six.

PTS: 1 DIF: Medium REF: p. 200 TOP: Patient Education Guidelines

  1. Untreated caries and periodontal disease can increase the risk of giving birth to a ____baby.
a.low-birth-weightc.healthy
b.pretermd.a and b

ANS: D

Feedback
AUntreated caries and periodontal disease can increase the risk of giving birth to a low- birth-weight or preterm baby.
BUntreated caries and periodontal disease can increase the risk of giving birth to a low- birth-weight or preterm baby.
CUntreated caries and periodontal disease can increase the risk of giving birth to a low- birth-weight or preterm baby.
DUntreated caries and periodontal disease can increase the risk of giving birth to a low- birth-weight or preterm baby.

PTS: 1 DIF: Easy REF: p. 201 TOP: Pregnancy and Dental Care

  1. Xylitol has been shown to:
a.reduce oral bacteria in a new mother’s mouth.
b.increase oral bacteria in a new mother’s mouth.
c.reduce oral bacteria transferred to an infant.
d.both a and c.

ANS: D

Feedback
AXylitol has been shown to reduce the number of oral bacteria that causes oral disease and therefore reduces the number of bacteria that is transmitted to the infant child.
BXylitol has been shown to reduce the number of oral bacteria that causes oral disease and therefore reduces the number of bacteria that is transmitted to the infant child.
CXylitol has been shown to reduce the number of oral bacteria that causes oral disease and therefore reduces the number of bacteria that is transmitted to the infant child.
DXylitol has been shown to reduce the number of oral bacteria that causes oral disease and therefore reduces the number of bacteria that is transmitted to the infant child.

PTS: 1 DIF: Easy REF: p. 201 TOP: Pregnancy and Dental Care

  1. _______ is not a form of xylitol commonly used.
a.Mintsc.Professional application
b.Gumd.Oral rinses

ANS: C

Feedback
AXylitol is supplied as mints, gum, and oral rinses.
BXylitol is supplied as mints, gum, and oral rinses.
CXylitol is not applied professionally.
DXylitol is supplied as mints, gum, and oral rinses.

PTS: 1 DIF: Easy REF: p. 201 TOP: Pregnancy and Dental Care

  1. Oral hygiene should begin:
a.when the child gets their first tooth.c.when all teeth are present.
b.before the first tooth erupts.d.when the child can master the skill.

ANS: B

Feedback
AThe parent should not wait until the first tooth erupts.
BOral hygiene should begin before the infant has teeth. The parent should wipe the mouth after feeding.
COral hygiene should begin before the infant has teeth. The parent should wipe the mouth after feeding.
DOral hygiene should begin before the infant has teeth. The parent should wipe the mouth after feeding.

PTS: 1 DIF: Easy REF: p. 201 TOP: Dental Care for 0 to 5 Years

  1. Which of the following is acceptable regarding bottles and sippy cups?
a.The baby may have one at bedtime or naptime with milk only.
b.The baby may have one at bedtime or naptime with water only.
c.The baby may use one frequently through the day with milk only.
d.Both a and c are acceptable.

ANS: B

Feedback
AUse of bottles and sippy cups with milk or any other sweetened beverage should be discouraged; if a bottle is required at bedtime or naptime, it should contain water only.
BUse of bottles and sippy cups with milk or any other sweetened beverage should be discouraged; if a bottle is required at bedtime or naptime, it should contain water only.
CUse of bottles and sippy cups with milk or any other sweetened beverage should be discouraged; if a bottle is required at bedtime or naptime, it should contain water only.
DUse of bottles and sippy cups with milk or any other sweetened beverage should be discouraged; if a bottle is required at bedtime or naptime, it should contain water only.

PTS: 1 DIF: Easy REF: p. 201 TOP: Dental Care for 0 to 5 Years

  1. A _______ is a plastic-like covering applied over pits and fissures to protect the tooth against decay.
a.fluoride varnishc.sealant
b.crownd.fluoride gel

ANS: C

Feedback
AA sealant is a plastic-like covering applied over pits and fissures to protect the tooth against decay.
BA sealant is a plastic-like covering applied over pits and fissures to protect the tooth against decay.
CA sealant is a plastic-like covering applied over pits and fissures to protect the tooth against decay.
DA sealant is a plastic-like covering applied over pits and fissures to protect the tooth against decay.

PTS: 1 DIF: Easy REF: p. 201 TOP: Dental Sealants

  1. When analyzing a patient’s food diary, the habit of least concern would be frequent use of:
a.diet soft drinks.c.oranges and apples.
b.raisins and fruit juices.d.soft drinks or beer.

ANS: C

Feedback
AUse of even diet soft drinks are acidic and can cause dental decay.
BFrequent use of raisins and fruit juices are highly concentrated and cause decay.
CEven though apples and oranges contain their own sugar, fresh fruits are not concentrated sweets because they contain high water content.
DUse of soft drinks and beer are acidic and can cause dental decay.

PTS: 1 DIF: Easy REF: p. 212

TOP: Steps for Analyzing a Food Diary

  1. Which is NOT a factor in regard to toothbrushes?
a.They should be replaced when they begin to show signs of wear.
b.They should be replaced after an illness.
c.They should be replaced once a year.
d.They should be replaced every 8-12 weeks.

ANS: C

Feedback
AToothbrushes should be replaced as soon as they show signs of wear, about every 8-12 weeks, or after an illness.
BToothbrushes should be replaced as soon as they show signs of wear, about every 8-12 weeks, or after an illness.
CToothbrushes should be replaced as soon as they show signs of wear, about every 8-12 weeks, or after an illness.
DToothbrushes should be replaced as soon as they show signs of wear, about every 8-12 weeks, or after an illness.

PTS: 1 DIF: Medium REF: pp. 212-213 TOP: Manual Toothbrushes

  1. Automatic toothbrushes may be helpful for:
a.patients with physical disabilities.c.timing brushing.
b.motivating children.d.all of the above.

ANS: D

Feedback
AAutomatic brushes may be helpful for the physically disabled, for motivating children, and because many have a timer that will assist the patient in brushing longer.
BAutomatic brushes may be helpful for the physically disabled, for motivating children, and because many have a timer that will assist the patient in brushing longer.
CAutomatic brushes may be helpful for the physically disabled, for motivating children, and because many have a timer that will assist the patient in brushing longer.
DAutomatic brushes may be helpful for the physically disabled, for motivating children, and because many have a timer that will assist the patient in brushing longer.

PTS: 1 DIF: Medium REF: p. 213 TOP: Automatic Toothbrushes

  1. When reviewing toothbrushing with patients who have healthy gum tissue and very few plaque deposits, you should not:
a.encourage them to use an automatic brush.
b.coach them to continue their effective technique.
c.make minor modifications.
d.guide them in techniques to better reach missed areas.

ANS: A

Feedback
APatients with few plaque deposits and healthy gum tissue should merely be coached to continue their technique and be given guidance on minor modifications and techniques to reach missed areas.
BPatients with few plaque deposits and healthy gum tissue should merely be coached to continue their technique and be given guidance on minor modifications and techniques to reach missed areas.
CPatients with few plaque deposits and healthy gum tissue should merely be coached to continue their technique and be given guidance on minor modifications and techniques to reach missed areas.
DPatients with few plaque deposits and healthy gum tissue should merely be coached to continue their technique and be given guidance on minor modifications and techniques to reach missed areas.

PTS: 1 DIF: Medium REF: p. 213 TOP: Toothbrushing

  1. Patients with acute oral inflammation should not be instructed to:
a.discontinue all brushing.
b.brush all areas of the mouth not affected.
c.resume normal brushing as soon as possible.
d.rinse with mild saline solution.

ANS: A

Feedback
APatients with acute oral inflammation should be instructed to continue to brush those areas not affected, not to discontinue all brushing.
BPatients with acute oral inflammation should continue to brush those areas not affected, not discontinue all brushing.
CPatients with acute oral inflammation should resume normal brushing as soon as possible.
DPatients with acute oral inflammation should rinse with mild saline solution to encourage healing and remove debris.

PTS: 1 DIF: Medium REF: p. 217

TOP: Toothbrushing for Unusual Conditions

  1. A(n) _____is used to clean under fixed dental work.
a.end-tuft brushc.automatic flosser
b.bridge threaderd.perio-aid

ANS: B

Feedback
AA bridge threader is used with floss looped through it to clean under fixed bridges and orthodontic retainers.
BA bridge threader is used with floss looped through it to clean under fixed bridges and orthodontic retainers.
CA bridge threader is used with floss looped through it to clean under fixed bridges and orthodontic retainers.
DA bridge threader is used with floss looped through it to clean under fixed bridges and orthodontic retainers.

PTS: 1 DIF: Medium REF: pp. 217-219 TOP: Bridge Threaders

  1. _____ is not used to clean a denture.
a.Dish or other mild soap
b.Denture cleaner
c.A tooth whitening or smokers’ toothpaste
d.Mild toothpaste

ANS: C

Feedback
ADish or other mild soap, denture cleaner, or mild toothpaste should be used to clean a denture.
BDish or other mild soap, denture cleaner, or mild toothpaste should be used to clean a denture.
CAbrasive toothpaste should not be used to clean a denture.
DDish or other mild soap, denture cleaner, or mild toothpaste should be used to clean a denture.

PTS: 1 DIF: Medium REF: p. 219 TOP: Dentures

  1. For patient education to be effective, it should not be:
a.reinforced.c.done in a threatening manner.
b.repeated.d.done in a calm, reassuring manner.

ANS: C

Feedback
AFor patient education to be effective, it should be done in a nonthreatening, calm, and reassuring manner. It needs to be repeated and reinforced over time.
BFor patient education to be effective, it should be done in a nonthreatening, calm, and reassuring manner. It needs to be repeated and reinforced over time.
CFor patient education to be effective, it should be done in a nonthreatening, calm, and reassuring manner. It needs to be repeated and reinforced over time.
DFor patient education to be effective, it should be done in a nonthreatening, calm, and reassuring manner. It needs to be repeated and reinforced over time.

PTS: 1 DIF: Medium REF: p. 200 TOP: Patient Education

  1. Before topical fluoride gel is applied, the teeth must be:
a.free of all plaque.c.isolated.
b.dry.d.all of the above.

ANS: B

Feedback
AThe presence of plaque will not affect the update of fluoride.
BThe teeth must be dry before topical fluoride gel is applied.
CThe teeth are not isolated.
DThe teeth must be dry before topical fluoride gel is applied; they do not need to be isolated or free of plaque.

PTS: 1 DIF: Medium REF: p. 209

TOP: Procedure 15-1 Applying Topical Fluoride Gel or Foam (Expanded Function)

  1. When applying a fluoride varnish, do not:
a.thoroughly dry the teeth.
b.dry the teeth with a gauze square.
c.use a cotton-tip applicator or brush.
d.use dental floss through contacts to draw the fluoride varnish interproximally.

ANS: A

Feedback
AWhen applying a fluoride varnish, do not thoroughly dry the teeth; simply dry them with a gauze square.
BWhen applying a fluoride varnish, do not thoroughly dry the teeth; simply dry them with a gauze square.
CThe fluoride varnish is placed using a cotton-tip applicator or brush.
DUsing dental floss through contacts will draw the fluoride varnish interproximally.

PTS: 1 DIF: Medium REF: p. 210

TOP: Procedure 15-2 Applying Fluoride Varnish (Expanded Function)

  1. What instructions should a patient be given regarding the use of a whitening toothpaste?
a.They will see immediate results.c.Both a and b.
b.They may notice some tissue irritation.d.Neither a or b.

ANS: B

Feedback
AWhitening toothpastes will vary in degree of whitening; patients should not expect immediate results, and they may notice some tissue irritation.
BWhitening toothpastes will vary in degree of whitening; patients should not expect immediate results, and they may notice some tissue irritation.
CWhitening toothpastes will vary in degree of whitening; patients should not expect immediate results, and they may notice some tissue irritation.
DWhitening toothpastes will vary in degree of whitening; patients should not expect immediate results, and they may notice some tissue irritation.

PTS: 1 DIF: Medium REF: p. 221

TOP: Table 15-6 Types of Toothpastes

  1. The type of toothpaste that should be suggested that shows a major effect on reducing supragingival calculus is ______ toothpaste.
a.fluoridec.tartar control
b.antigingivitisd.all of the above

ANS: C

Feedback
ATartar control toothpastes inhibit the calcification of deposits of the teeth and show a major effect on reducing supragingival calculus.
BTartar control toothpastes inhibit the calcification of deposits of the teeth and show a major effect on reducing supragingival calculus.
CTartar control toothpastes inhibit the calcification of deposits of the teeth and show a major effect on reducing supragingival calculus.
DTartar control toothpastes inhibit the calcification of deposits of the teeth and show a major effect on reducing supragingival calculus.

PTS: 1 DIF: Medium REF: p. 221

TOP: Table 15-6 Types of Toothpastes

  1. Every person should be treated the same in patient education for oral health needs.
a.Trueb.False

ANS: B

Feedback
AOral health education needs to be tailored to meet each individual’s healthcare needs. You need to listen to your patient’s perception of dental health care and tailor a program that meets their needs.
BOral health education needs to be tailored to meet each individual’s healthcare needs. You need to listen to your patient’s perception of dental health care and tailor a program that meets their needs.

PTS: 1 DIF: Medium REF: p. 200 TOP: Patient Education Guidelines

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