- A disease process caused by physicians or their treatment is:
- idiopathic.
- iatrogenic.
- neoplasia.
- community acquired.
ANS: B
A disease process caused by physicians or their treatment is iatrogenic.
- A basic reaction of the body to some form of injury is a:
- disease process.
- pathology.
- study of diseases.
- idiopathic process.
ANS: A
A disease is the pattern of the body’s response to some form of injury.
- What term is used to denote a disease in which the underlying cause is unknown?
- Idiopathic
- Antietiologic
- Iatrogenic
- Nosocomial
ANS: A
Idiopathic diseases are those with an unknown, or as of yet unidentified, cause.
- Alterations of cell growth, specifically an abnormal proliferation of cells, is called:
- hyperplasia.
- dysplasia.
- neoplasia.
- aplasia.
ANS: C
Alterations in cell growth lead to the development of neoplasms (tumors).
- The initial response of body tissues to local injury is:
- infection.
- ischemia.
- edema.
- inflammation.
ANS: D
Inflammation is the initial response of body tissues to local injury.
- Heat and redness associated with inflammation is produced by:
- hyperemia.
- scar tissue.
- hyperplasia.
- infarction.
ANS: A
Hyperemia produces the heat and redness associated with inflammation.
- In an injury, the destroyed tissue is replaced with:
- granulomatous inflammation.
- granulation tissue.
- phagocytes.
- pyogens.
ANS: B
A fibrous scar replaces the area of destroyed tissue with granulation tissue. Granulation tissue refers to a combination of young, developing capillaries and actively proliferating fibroblasts, which produce connective tissue fibers (collagen) that replace the dead tissue.
- Of the five clinical signs of acute inflammation, the medical term for swelling is:
- edema.
- tumor.
- calor.
- dolor.
ANS: B
The five clinical signs of acute inflammation are rubor (redness), calor (heat), tumor (swelling), dolor (pain), and loss of function.
- Some bacterial organisms produce substances that cause damage to the tissue and incite the inflammatory process known as:
- toxoids.
- pyogens.
- toxins.
- abscesses.
ANS: C
Some bacterial organisms (such as staphylococci and streptococci) produce toxins that damage the tissues and incite an inflammatory response.
- Chronic inflammation in a localized area, which often has centralized necrosis, is called:
- an exudate.
- a granuloma.
- an abscess.
- hyperplasia.
ANS: B
A granuloma is a localized area of chronic inflammation, often with central necrosis.
- In acute inflammation, the localized heat and redness are a result of the:
- migration of circulating white blood cells.
- increased blood flow and vascular permeability.
- regeneration of normal parenchymal cells.
- enzymatic digestion of dead cells.
ANS: B
The localized heat and redness result from increased blood flow in the microcirculation at the site of injury.
- In pyogenic infections, the body responds by producing a thick, yellow fluid called:
- bacteria.
- pus.
- edema.
- a scar.
ANS: B
The presence of pyogenic bacteria leads to the production of a thick, yellow fluid called pus, which contains dead white blood cells, inflammatory exudates, and bacteria.
- All pyogens have the ability to enter the blood circulation causing:
- bacteremia.
- phagocytosis.
- septicemia.
- keloid tissue.
ANS: A
All pyogens, wherever they become implanted, have the ability to invade blood vessels to produce bacteremia, with the potential involvement of other organs and tissues in the body.
- Connective tissue fibers replacing dead tissue and then contracting in the abdomen are known as:
- keloids.
- suppurative inflammation.
- fibrous adhesions.
- hyperemia.
ANS: C
Eventually the strong connective tissue contracts to produce a fibrous scar. In the abdomen, such fibrous adhesions can narrow loops of intestine and result in an obstruction.
- An accumulation of abnormal amounts of fluid in the intercellular tissue throughout the body is called:
- bacteremia.
- elephantiasis.
- filariasis.
- anasarca.
ANS: D
Generalized edema occurs with pronounced swelling of subcutaneous tissues throughout the body (anasarca).
- Localized is produced in an inflammatory reaction as a result of a fluid accumulation.
- filariasis
- edema
- elephantiasis
- fibrous adhesions
ANS: B
Edema is the accumulation of abnormal amounts of fluid in the intercellular tissue spaces or body cavities. Localized edema results from an inflammatory reaction.
- An inflammation associated with pus formation is:
- bacteremia.
- phagocytosis.
- suppurative.
- hyperemia.
ANS: C
Suppurative inflammation is associated with pus formation.
- The protein-rich fluid associated with swelling in an inflammatory process is:
- exudate.
- transudate.
- pus.
- permeable.
ANS: A
The inflammatory exudate in the tissues results in the swelling associated with inflammation. The protein-rich exudate of inflammation must be differentiated from a transudate, a low-protein fluid, such as that seen in the pulmonary edema that develops in congestive heart failure.
- The low-protein fluid associated with the inflammatory process as seen in pulmonary edema is called:
- an abscess.
- exudate.
- transudate.
- filariasis.
ANS: C
The protein-rich exudate of inflammation must be differentiated from a transudate, a low-protein fluid, such as that seen in the pulmonary edema that develops in congestive heart failure.
- A localized area of ischemic necrosis within a tissue or organ produced by vascular occlusion is a(n):
- gangrene.
- infarct.
- purpura.
- ecchymosis.
ANS: B
An infarct is a localized area of ischemic necrosis within a tissue or organ produced by occlusion of either its arterial supply or its venous drainage.
- Depriving tissues of oxygen and nutrients caused by an arterial vessel narrowing is referred to as:
- ischemia.
- petechiae.
- filariasis.
- gangrene.
ANS: A
Ischemia refers to an interference with the blood supply to an organ or part of an organ, depriving the organ’s cells and tissues of oxygen and nutrients.
- The progression of a loss of oxygen and nutrients resulting in tissue necrosis, especially in the diabetic’s foot, is called:
- infarction.
- gangrene.
- ischemia.
- hemorrhage.
ANS: B
Severe arterial disease of the lower extremities may result in necrosis of several toes or a large segment of the foot, a condition called gangrene. A frequent symptom in diabetic patients is ischemia of the foot, which may progress to infarction and result in gangrene.
- A subcutaneous hematoma greater than 1 to 2 cm is called a(n):
- purpura.
- ecchymosis.
- petechia.
- infarct.
ANS: B
A large (>1 to 2 cm) subcutaneous hematoma, or bruise, is called an ecchymosis.
- An accumulation of blood trapped within the body tissues is known as a(an):
- hematoma.
- ecchymosis.
- petechiae.
- pleural effusion.
ANS: A
Blood may be trapped within body tissues resulting in an accumulation called a hematoma.
- Bleeding into mucous membranes or serosal surfaces is referred to as:
- petechiae.
- hemorrhage.
- purpura.
- ecchymosis.
ANS: A
Minimal hemorrhages into the skin, mucous membranes, or serosal surfaces are called petechiae.
- The volume of blood loss, the rate of blood loss, and the site of blood loss will determine the:
- patient status.
- clinical significance.
- treatment required.
- patient status, clinical significance and treatment required.
ANS: D
The significance of hemorrhage depends on the volume of blood loss, the rate of blood loss, and the site of the hemorrhage. Sudden losses of up to 20% of the blood volume or slow losses of even larger amounts may have little clinical significance.
- When a reduction in the size or number of cells in an organ occurs, this results in:
- aplasia.
- atrophy.
- hypoplasia.
- dysplasia.
ANS: B
Atrophy refers to a reduction in the size or number of cells in an organ or tissue.
- When cells fail to develop and as a result the organ is small, the organ is considered:
- hypoplastic.
- dysplastic.
- hyperplastic.
- anaplastic.
ANS: A
Failure of normal development accounts for small size in hypoplasia and aplasia.
- Which term is used to describe an increase in the size of an organ or tissue in response to an increase in function?
- Neoplastic
- Hypotrophy
- Hyperplasia
- Hypertrophy
ANS: D
Hypertrophy refers to an increase in the size of the cells of a tissue or organ in response to a demand for increased function.
- The proliferation of granulation tissue to repair an injury is an example of:
- hypertrophy.
- anaplasia.
- hyperplasia.
- dysplasia.
ANS: C
Hyperplasia is an increase in the number of cells in a tissue or organ. Proliferation of granulation tissue in the repair of injury is an example.
- The Latin word for “new growth” is:
- tumor.
- seeding.
- neoplasia.
- ecchymosis.
ANS: C
Neoplasia, from the Latin word for new growth, refers to an abnormal proliferation of cells that are no longer controlled by the factors that govern the growth of normal cells.
- New growths that invade and destroy adjacent structures and have the ability to spread are considered:
- neoplastic.
- benign.
- cachexia.
- malignant.
ANS: D
Malignant neoplasms invade and destroy adjacent structures and spread to distant sites (metastasize).
- A polyp is a:
- projecting mass from an inner mucous membrane.
- malignant epithelial neoplasm.
- benign cartilaginous tumor.
- cancer.
ANS: A
An epithelial tumor that grows as a projecting mass on the skin or from an inner mucous membrane (such as the gastrointestinal tract) is termed a papilloma or a polyp.
- A malignancy of glandular tissue, such as breast or liver, is referred to as a(n):
- adenoma.
- adenocarcinoma.
- cystadenoma.
- dysplasia.
ANS: B
Adenocarcinoma refers to malignancies of glandular tissues, such as the breast, liver, and pancreas, and of the cells lining the gastrointestinal tract.
- The term derived from the Latin term for “crab” is:
- benign.
- oncology.
- neoplasia.
- cancer.
ANS: D
Malignant neoplasms of epithelial cell origin are called carcinomas, from the Greek word karbinos, meaning “crab.”
- The study of neoplasms or tumors is called:
- pathology.
- radiology.
- oncology.
- etiology.
ANS: C
Neoplasms are commonly referred to as tumors; the study of neoplasms is called oncology, derived from the Greek word oncos,
meaning “tumor.”
- Tumors closely resembling their cells of origin in structure and function are called:
- malignant.
- benign.
- cancerous.
- dysplastic.
ANS: B
Benign tumors closely resemble their cells of origin in structure and function.
- When tumor cells flourish, causing the patient to become weak and emaciated, this condition is referred to as:
- cachexia.
- petechiae.
- anorexia.
- anaplastic.
ANS: A
Neoplastic cells act as parasites, competing with normal cells and tissues for their metabolic needs. Thus tumor cells may flourish, and the patient becomes weak and emaciated, a condition termed cachexia.
- Benign epithelial neoplasms that grow in a glandlike pattern are:
- cystadenomas.
- adenocarcinomas.
- adenomas.
- fibromas.
ANS: C
The term adenoma is applied to benign epithelial neoplasms that grow in glandlike patterns.
- Tumors that contain muscle cells are called:
- myelomas.
- myomas.
- papilloma.
- hypertrophic.
ANS: B
Myomas are tumors consisting of muscle cells.
- Tumor cells of stratified squamous epithelium, which invade and destroy adjacent structures, make up:
- adenomas.
- sarcomas.
- cystadenomas.
- squamous cell carcinomas.
ANS: D
Squamous cell carcinoma denotes a cancer in which the tumor cells resemble stratified squamous epithelium.
- If a neoplastic growth proliferates without form, it is considered:
- anaplastic.
- dysplastic.
- aplastic.
- hyperplastic.
ANS: A
A tumor growing in a bizarre pattern is termed undifferentiated or anaplastic (without form).
- Symptoms suggestive of esophageal or stomach cancer are:
- anasarca and dysphagia.
- anaplasia and anorexia.
- aplasia and gangrene.
- anorexia and dysphagia.
ANS: D
Difficulty in swallowing (dysphagia) or loss of appetite (anorexia), especially if accompanied by rapid weight loss, suggests a neoplasm in the esophagus or stomach.
- Diffuse spread of malignant neoplasms by invasion into a natural body cavity is called:
- tumor grading.
- staging.
- seeding.
- lymphatic spread.
ANS: C
Seeding (diffuse spread) of cancers occurs when neoplasms invade a natural body cavity.
- The major metastatic route of carcinomas is:
- lymphatic spread.
- undifferentiated spread.
- hematopoietic spread.
- hematogenous spread.
ANS: A
Lymphatic spread is the major metastatic route of carcinomas, especially those of the lung and breast.
- Assessing the aggressiveness or degree of malignancy is referred to as:
- staging.
- grading.
- seeding.
- metastatic.
ANS: B
The grading of a malignant tumor assesses aggressiveness, or degree of malignancy.
- To determine the most appropriate therapy, the disease process must be:
- seeded.
- staged.
- graded.
- phased.
ANS: B
Staging refers to the extensiveness of a tumor at its primary site and the presence or absence of metastases to lymph nodes and distant organs, such as the liver, lungs, and skeleton. The staging of a tumor aids in determining the most appropriate therapy.
- Using a combination of cytotoxic substances to kill neoplastic cells is called:
- radiation therapy.
- chemotherapy.
- hormonal therapy.
- seeding.
ANS: B
Chemotherapy uses one or a combination of cytotoxic substances that kill neoplastic cells, but these drugs may injure many normal cells and result in significant complications.
- The most common hereditary abnormality is:
- chromosomal aberration.
- enzyme deficiency.
- glycogen and lipid storage disease.
- sex-linked disorders.
ANS: B
The most common hereditary abnormality is an enzyme deficiency.
- Exposure to radiation, chemicals, or viruses may result in alterations in the DNA called:
- mutations.
- reduced penetrance.
- variable expressivity.
- aberrations.
ANS: A
Mutations are alterations in the DNA structure that may become permanent hereditary changes if they affect the gonadal cells. Mutations may result from radiation, chemicals, or viruses.
- A gene always producing an effect regardless of whether the person is homozygous or heterozygous is named:
- recessive.
- dominant.
- autosomal recessive.
- autosomal dominant.
ANS: B
Dominant genes always produce an effect regardless of whether the person is homozygous or heterozygous.
- When a vaccine or toxoid is used to counteract an antigen, it is considered:
- passive immunity.
- active immunity.
- community-acquired immunity.
- iatrogenic.
ANS: B
In active immunity, a person forms antibodies to counteract an antigen in the form of a vaccine or a toxoid.
- The body has the ability to combat antigens by forming in the lymphoid tissue.
- antibodies
- toxins
- immunoglobulins
- antibodies and immunoglobulins
ANS: D
The immune reaction of the body provides a powerful defense against invading organisms by allowing it to recognize foreign substances (antigens), such as bacteria, viruses, fungi, and toxins, and to produce antibodies or immunoglobulins to counteract them.
- Hypotension and vascular collapse with urticaria, bronchiolar spasm, and laryngeal edema are characteristics of:
- anaphylactic reactions.
- cytotoxic reactions.
- histamine release.
- delayed reactions.
ANS: A
Generalized, or systemic, anaphylactic reactions are characterized by hypotension and vascular collapse (shock) with urticaria (hives), bronchiolar spasm, and laryngeal edema.
- Profound and sustained impairment of cellular immunity resulting in recurrent or sequential opportunistic infections is characteristic of:
- anaphylactic reactions.
- histamine release.
- AIDS.
- cytotoxic reactions.
ANS: C
Acquired immunodeficiency syndrome (AIDS), which most commonly affects young homosexual men and intravenous drug abusers, is characterized by a profound and sustained impairment of cellular immunity that results in recurrent or sequential opportunistic infections.
- The retrovirus known to contribute to AIDS is:
- hepatitis.
- human immunodeficiency virus.
- immunoglobulins.
- Kaposi sarcoma.
ANS: B
AIDS is attributable to infection with retroviruses known as human immunodeficiency viruses (HIV).
- A hazy, perihilar, granular infiltrate spreading to the lung periphery is the early radiographic finding of:
- AIDS.
- Kaposi syndrome.
- hepatitis.
- Pneumocystis jirovecii pneumonia.
ANS: D
The typical early radiographic finding of P. jirovecii pneumonia is a hazy, perihilar, granular infiltrate that spreads to the periphery and appears preponderantly interstitial.
- The modality of choice to demonstrate the multiple manifestations of AIDS in the central nervous system is:
- CT.
- nuclear medicine.
- ultrasound.
- MRI.
ANS: D
MRI best demonstrates the multiple manifestations of AIDS in the central nervous system.
- All of the following are personal protective equipment (PPE), except:
- gown.
- gloves.
- mask.
- sharps container.
ANS: D
A sharps container is not used for personal protection against the transmission of diseases.
- All of the following are additive diseases in terms of x-ray attenuation, except:
- pneumonia.
- osteolytic metastasis.
- callus.
- ascites.
ANS: B
Osteolytic metastasis is a destructive disease.
MATCHING
Match each of the following terms with the correct answer. Each question has only one correct answer.
- Rubor
- Calor
- Dolor
- Tumor
- Heat
- Pain
- Redness
- Swelling
- ANS: B
- ANS: C
- ANS: A
- ANS: D
Match the following terms related to edema.
- A parasitic worm causing a lymphatic obstruction
- Accumulation of fluid in a serous cavity
- Extravascular fluid collection surrounding the heart
- Localized edema resulting from a lymphatic obstruction
- Pronounced swelling in subcutaneous tissue throughout the body
- Anasarca
- Elephantiasis
- Filariasis
- Pericardial effusion
- Peritoneal ascites
- ANS: E
- ANS: D
- ANS: A
- ANS: C
- ANS: B
Match the following terms related to hemorrhage.
- An accumulation of blood in the tissue
- Large (>1 to 2 cm) subcutaneous bruise
- Larger areas of bleeding into the skin
- Minimal bleeding in the skin or mucous membrane
- Rupture of a blood vessel
- Ecchymosis
- Hematoma
- Hemorrhage
- Petechiae
- Purpura
- ANS: B
- ANS: A
- ANS: E
- ANS: D
- ANS: C
Match the following terms related to alterations in cell growth.
- Failure of normal development causing smaller cells
- Increased size of the cells
- Loss of uniformity of individual cells
- Number of cells in the tissue increases
- Reduction in number or size of cells
- Atrophy
- Dysplasia
- Hyperplasia
- Hypertrophy
- Hypoplasia
- ANS: E
- ANS: C
- ANS: D
- ANS: B
- ANS: A
Match the following terms related to the neoplastic process.
- A malignant tumor arising from connective tissue
- Benign tumor consisting of fibrous tissue
- Cartilaginous tumor that is benign
- Composed of blood vessels
- Forming benign large cystic masses
- Glandular cell malignancy
- Malignancy of epithelial cell origin
- Soft, fatty tissue tumor
- Tumor that grows in a glandlike pattern
- Adenocarcinoma
- Adenoma
- Angioma
- Carcinoma
- Chondroma
- Cystadenoma
- Fibroma
- Lipoma
- Sarcoma
- ANS: F
- ANS: I
- ANS: D
- ANS: G
- ANS: C
- ANS: E
- ANS: B
- ANS: H
- ANS: A
Match the following terms related to immunity.
- Binds with foreign substance to make harmless
- Body makes harmless
- Chemically altered poisonous material
- Form in lymphoid tissue
- Low dose of dead or deactivated bacteria or virus
- Recognition of foreign substance
- Antibody
- Antigen
- Immune
- Immunoglobulin
- Toxoid
- Vaccine
- ANS: A
- ANS: F
- ANS: B
- ANS: D
- ANS: C
- ANS: E