Question 1

A 20-year-old female has been diagnosed with AIDS. Laboratory testing would reveal diminished levels of:

Accepted Answer

A)  cytotoxic T cells. 
B)  B cells. 
C)  helper T cells. 
D)  T suppressor cells. 
A)  cytotoxic T cells. 
B)  B cells. 
C)  helper T cells. 
D)  T suppressor cells.

Question 2

The immunoglobulin that crosses the placenta confers _____ immunity to the fetus.

Accepted Answer

A)  active acquired 
B)  passive acquired 
C)  innate 
D)  cell-mediated 
A)  active acquired 
B)  passive acquired 
C)  innate 
D)  cell-mediated

Question 3

Pure monoclonal antibodies are produced by:

Accepted Answer

A)  T lymphocytes. 
B)  bone marrow. 
C)  laboratories. 
D)  fetuses. 
A)  T lymphocytes. 
B)  bone marrow. 
C)  laboratories. 
D)  fetuses.

Question 4

A 16-year-old male is bitten by a rabid dog while jogging in the park. Upon admission to the ER, he is given _____ to prevent infection.

Accepted Answer

A)  cytotoxic T cells 
B)  helper T cells 
C)  antibodies 
D)  immunoglobulins 
A)  cytotoxic T cells 
B)  helper T cells 
C)  antibodies 
D)  immunoglobulins

Question 5

The most abundant class of antibody in the serum is:

Accepted Answer

A)  IgG. 
B)  IgM. 
C)  IgA. 
D)  IgE. 
A)  IgG. 
B)  IgM. 
C)  IgA. 
D)  IgE.

Question 6

If a person is given antigen X and is later given antigen Y, a(n)_____ response to antigen Y will result.

Accepted Answer

A)  primary 
B)  secondary 
C)  determinant 
D)  immunosuppressive 
A)  primary 
B)  secondary 
C)  determinant 
D)  immunosuppressive

Question 7

A 25-year-old female has sexual relations with her boyfriend. Later she is told that the boyfriend is infected with Neisseria gonorrhoeae. Testing reveals that she does not have the disease. How is it possible that she did not contract the disease?

Accepted Answer

A)  Antibodies covered sites of attachment. 
B)  She was vaccinated against it. 
C)  Antibodies activated inflammatory components. 
D)  IgE was released. 
A)  Antibodies covered sites of attachment. 
B)  She was vaccinated against it. 
C)  Antibodies activated inflammatory components. 
D)  IgE was released.

Question 8

Both B and T cells are originally derived from cells of the:

Accepted Answer

A)  bone marrow. 
B)  lymph nodes. 
C)  gut-associated lymphoid tissue. 
D)  thymus. 
A)  bone marrow. 
B)  lymph nodes. 
C)  gut-associated lymphoid tissue. 
D)  thymus.

Question 9

A 6-month-old infant is brought to the pediatrician for recurrent colds. The child is fed formula, and the other family members have not been ill. The physician tells the mother that the child's immune system is not yet competent but will be about 60% of an adult system around age:

Accepted Answer

A)  8 months. 
B)  9 months. 
C)  10.5 months. 
D)  12 months. 
A)  8 months. 
B)  9 months. 
C)  10.5 months. 
D)  12 months.

Question 10

A 6-year-old female is diagnosed with a bacterial infection of the respiratory system. Which of the following will most likely try to fight the antigen?

Accepted Answer

A)  Antibodies 
B)  Cytotoxic T cell 
C)  Self-antigens 
D)  Helper T cells 
A)  Antibodies 
B)  Cytotoxic T cell 
C)  Self-antigens 
D)  Helper T cells

Question 11

Increased age is associated with:

Accepted Answer

A)  decreased T cell function. 
B)  increased hypersensitivity responses. 
C)  decreased production of autoantibodies. 
D)  decreased numbers of circulating immune complexes. 
A)  decreased T cell function. 
B)  increased hypersensitivity responses. 
C)  decreased production of autoantibodies. 
D)  decreased numbers of circulating immune complexes.

Question 12

A 3-year-old male is diagnosed with autoimmune-induced type 1 diabetes. Which of the following therapies may help prevent worsening of the disease?

Accepted Answer

A)  Passive treatment with antibody 
B)  Immunotherapy 
C)  Oral administration of self-antigens 
D)  Vaccination 
A)  Passive treatment with antibody 
B)  Immunotherapy 
C)  Oral administration of self-antigens 
D)  Vaccination

Question 13

A molecule is isolated from the human body and studied. It is found to react with antibodies on B cells. Further testing reveals that the molecule is large and chemically diverse. Which of the following would best describe the molecule?

Accepted Answer

A)  Antigen 
B)  Immunogen 
C)  Epitope 
D)  Paratope 
A)  Antigen 
B)  Immunogen 
C)  Epitope 
D)  Paratope

Exam 6: Adaptive Immunity

A 20-year-old female has been diagnosed with AIDS. Laboratory testing would reveal diminished levels of:

The immunoglobulin that crosses the placenta confers _____ immunity to the fetus.

Pure monoclonal antibodies are produced by:

A 16-year-old male is bitten by a rabid dog while jogging in the park. Upon admission to the ER, he is given _____ to prevent infection.

The most abundant class of antibody in the serum is:

If a person is given antigen X and is later given antigen Y, a(n)_____ response to antigen Y will result.

A 25-year-old female has sexual relations with her boyfriend. Later she is told that the boyfriend is infected with Neisseria gonorrhoeae. Testing reveals that she does not have the disease. How is it possible that she did not contract the disease?

Both B and T cells are originally derived from cells of the:

A 6-month-old infant is brought to the pediatrician for recurrent colds. The child is fed formula, and the other family members have not been ill. The physician tells the mother that the child's immune system is not yet competent but will be about 60% of an adult system around age:

A 6-year-old female is diagnosed with a bacterial infection of the respiratory system. Which of the following will most likely try to fight the antigen?

Increased age is associated with:

A 3-year-old male is diagnosed with autoimmune-induced type 1 diabetes. Which of the following therapies may help prevent worsening of the disease?

A molecule is isolated from the human body and studied. It is found to react with antibodies on B cells. Further testing reveals that the molecule is large and chemically diverse. Which of the following would best describe the molecule?

Cellular Biology

Genes and Genetic Diseases

Altered Cellular and Tissue Biology

Fluids and Electrolytes, Acids and Bases

Innate Defenses: Inflammation

Hypersensitivities, Infection, and Immune Deficiencies

Stress and Disease

Biology of Cancer and Tumor Spread

Cancer Epidemiology, Manifestations, and Treatment

Cancer in Children

Structure and Function of the Neurologic System

Pain, Temperature, Sleep, and Sensory Function

Concepts of Neurologic Dysfunction

Alterations of Neurologic Function

Alterations of Neurologic Function in Children

Mechanisms of Hormonal Regulation

Alterations of Hormonal Regulation

Structure and Function of the Hematologic System

Alterations of Hematologic Function

Alterations of Hematologic Function in Children

Structure and Function of the Cardiovascular and Lymphatic Systems

Alterations of Cardiovascular Function

Alterations of Cardiovascular Function in Children

Structure and Function of the Pulmonary System

Alterations of Pulmonary Function

Alterations of Pulmonary Function in Children

Structure and Function of the Renal and Urologic Systems

Alterations of Renal and Urinary Tract Function

Alterations of Renal and Urinary Tract Function in Children

Structure and Function of the Reproductive Systems

Alterations of the Reproductive Systems, Including Sexually Transmitted Infections

Structure and Function of the Digestive System

Alterations of Digestive Function

Alterations of Digestive Function in Children

Structure and Function of the Musculoskeletal System

Alterations of Musculoskeletal Function

Alterations of Musculoskeletal Function in Children

Structure, Function, and Disorders of the Integument

Alterations of the Integument in Children

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