Question 1

What does seroconversion mean in relation to HIV and AIDS?

Accepted Answer

A) The virus has been identified in the blood and body fluids. 
B) Antibodies for HIV have been identified in the blood. 
C) HIV was found in lymphocytes. 
D) Active infection has developed in the patient. 
A) The virus has been identified in the blood and body fluids. 
B) Antibodies for HIV have been identified in the blood. 
C) HIV was found in lymphocytes. 
D) Active infection has developed in the patient.

Question 2

Humoral immunity is mediated by:

Accepted Answer

A) natural killer cells 
B) T-lymphocytes (T cells) 
C) B-lymphocytes (B cells) 
D) neutrophils 
A) natural killer cells 
B) T-lymphocytes (T cells) 
C) B-lymphocytes (B cells) 
D) neutrophils

Question 3

The most common cause of death in AIDS patients is:

Accepted Answer

A) HIV encephalopathy 
B) tuberculosis 
C) Pneumocystis carinii pneumonia 
D) Candida infection 
A) HIV encephalopathy 
B) tuberculosis 
C) Pneumocystis carinii pneumonia 
D) Candida infection

Question 4

Distinguishing clinical features of systemic lupus erythematosus include:

Accepted Answer

A) inflammation in multiple organs 
B) lack of a specific diagnostic blood test 
C) acute onset,nonprogressive course 
D) typical skin rash on the chest and back 
A) inflammation in multiple organs 
B) lack of a specific diagnostic blood test 
C) acute onset,nonprogressive course 
D) typical skin rash on the chest and back

Question 5

Which of the following statements does NOT apply to MHC proteins or molecules?

Accepted Answer

A) They are genes on chromosome 6. 
B) All members of a family have identical MHCs. 
C) They alert the immune system to virus-infected cells. 
D) A close match is essential for successful tissue transplants. 
A) They are genes on chromosome 6. 
B) All members of a family have identical MHCs. 
C) They alert the immune system to virus-infected cells. 
D) A close match is essential for successful tissue transplants.

Question 6

The role of memory cells is to:

Accepted Answer

A) change into an antibody-secreting cell following activation 
B) immediately secrete antibodies following the first exposure to antigen 
C) recognize the antigen and stimulate the immune response 
D) bind complement to the antibody 
A) change into an antibody-secreting cell following activation 
B) immediately secrete antibodies following the first exposure to antigen 
C) recognize the antigen and stimulate the immune response 
D) bind complement to the antibody

Question 7

Which of the following causes anaphylaxis?

Accepted Answer

A) a severe,systemic allergic reaction 
B) type III hypersensitivity 
C) cell-mediated hypersensitivity 
D) immune complex deposits in many tissues 
A) a severe,systemic allergic reaction 
B) type III hypersensitivity 
C) cell-mediated hypersensitivity 
D) immune complex deposits in many tissues

Question 8

Which of the following statements apply to the complement system?

Accepted Answer

A) It is activated by IgE. 
B) It blocks the inflammatory response. 
C) It consists of proteins in the blood that must be activated. 
D) It may destroy antibodies in the circulation. 
A) It is activated by IgE. 
B) It blocks the inflammatory response. 
C) It consists of proteins in the blood that must be activated. 
D) It may destroy antibodies in the circulation.

Question 9

Neutrophils:

Accepted Answer

A) are phagocytic cells 
B) produce histamine 
C) produce antibodies 
D) are elevated during an allergic response 
A) are phagocytic cells 
B) produce histamine 
C) produce antibodies 
D) are elevated during an allergic response

Question 10

Which of the following statements regarding immunoglobulins is TRUE?

Accepted Answer

A) They consist of a unique sequence of amino acids. 
B) They are produced in the red bone marrow. 
C) They are attached to mucosal membranes at entry points into the body. 
D) IgA binds to allergens. 
A) They consist of a unique sequence of amino acids. 
B) They are produced in the red bone marrow. 
C) They are attached to mucosal membranes at entry points into the body. 
D) IgA binds to allergens.

Question 11

The term tolerance refers to:

Accepted Answer

A) surveillance and destruction of new cancer cells by the immune system 
B) the ability of the immune system to ignore "self" cells 
C) the ability of T- and B-lymphocytes to work together 
D) the role of lymphoid tissue in the body defenses 
A) surveillance and destruction of new cancer cells by the immune system 
B) the ability of the immune system to ignore "self" cells 
C) the ability of T- and B-lymphocytes to work together 
D) the role of lymphoid tissue in the body defenses

Question 12

Which of the following statements is TRUE regarding a patient who is HIV positive?

Accepted Answer

A) No medication is required until T4 cell count drops below normal range. 
B) Antibodies are present,destroying the virus and preventing transmission to others. 
C) Antibodies in the blood indicate presence of virus and possible transmission to others. 
D) Enzymes have not yet converted RNA to DNA for replication. 
A) No medication is required until T4 cell count drops below normal range. 
B) Antibodies are present,destroying the virus and preventing transmission to others. 
C) Antibodies in the blood indicate presence of virus and possible transmission to others. 
D) Enzymes have not yet converted RNA to DNA for replication.

Question 13

Which of the following is NOT a cause of immunodeficiency?

Accepted Answer

A) hypoplasia of the thymus 
B) delayed hypersensitivity 
C) immunosuppressive drugs 
D) atrophy of the lymph nodes 
A) hypoplasia of the thymus 
B) delayed hypersensitivity 
C) immunosuppressive drugs 
D) atrophy of the lymph nodes

Question 14

Which of the following complications does NOT occur frequently in AIDS patients?

Accepted Answer

A) Kaposi's sarcoma 
B) wasting syndrome 
C) lymphoma 
D) polyarthritis 
A) Kaposi's sarcoma 
B) wasting syndrome 
C) lymphoma 
D) polyarthritis

Exam 3: Immunity and Abnormal Responses

What does seroconversion mean in relation to HIV and AIDS?

Humoral immunity is mediated by:

The most common cause of death in AIDS patients is:

Distinguishing clinical features of systemic lupus erythematosus include:

Which of the following statements does NOT apply to MHC proteins or molecules?

The role of memory cells is to:

Which of the following causes anaphylaxis?

Which of the following statements apply to the complement system?

Neutrophils:

Which of the following statements regarding immunoglobulins is TRUE?

The term tolerance refers to:

Which of the following statements is TRUE regarding a patient who is HIV positive?

Which of the following is NOT a cause of immunodeficiency?

Which of the following complications does NOT occur frequently in AIDS patients?

Introduction to Pathophysiology

Inflammation and Healing

Infection

Neoplasms

Fluid, Electrolyte and Acid-Base Imbalances

Congenital and Genetic Disorders

Diseases Associated With Adolescence

Potential Complications of Pregnancy

Aging and Disease Processes

Effects of Immobility

The Influence of Stress

Pain

Substance Abuse

Environmental Hazards

Introduction to Basic Pharmacology and Selected Therapies

Blood and Lymphatic Disorders

Cardiovascular Disorders

Respiratory Disorders

Digestive System Disorders

Urinary System Disorders

Acute Neurological Disorders

Chronic Neurologic Disorders

Disorders of the Eye and Ear

Endocrine Disorders

Musculoskeletal Disorders

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