Question 1

Milly has just received a kidney transplant and is taking cyclosporin A.What does this medication do?

Accepted Answer

A)  prevents inflammation from destroying the transplanted kidney
B)  depresses hematopoiesis
C)  decreases chemotaxis of macrophages to the transplanted kidney
D)  weakens antibodies in the blood
E)  suppresses helper T cells,thus preventing rejectionF) B) and E)
G) C) and D)

Question 2

The only antibodies that normally cross the placenta are

Accepted Answer

A)  IgA.
B)  IgD.
C)  IgE.
D)  IgG.
E)  IgM.F) B) and E)
G) A) and D)

Question 3

B cells are primarily activated by the activities of

Accepted Answer

A)  antigens.
B)  antibodies.
C)  helper T cells.
D)  macrophages.
E)  plasma cells.F) B) and D)
G) C) and D)

Question 4

A sample of John's blood shows a high level of pyrogens.This would indicate that John

Accepted Answer

A)  is feeling achy.
B)  is producing T lymphocytes.
C)  has a sore throat.
D)  is running a fever.
E)  has swollen lymph nodes.F) A) and B)
G) A) and C)

Question 5

Lymphocytes provide an adaptive or specific defense known as the

Accepted Answer

A)  phagocytic response.
B)  adaptive defense.
C)  immune response.
D)  lymphocytic response.
E)  inflammation of tissues.F) A) and B)
G) B) and C)

Question 6

The term ________ refers to the ability to demonstrate an immune response upon exposure to an antigen.

Accepted Answer

immunologi...

Question 7

Defense of the body against a particular pathogen is provided by

Accepted Answer

A)  innate immunity.
B)  adaptive immunity.
C)  immunological surveillance.
D)  skin defenses.
E)  fever.F) D) and E)
G) C) and E)

Question 8

The term lymphadenopathy refers to

Accepted Answer

A)  a congenital lack of lymph nodes.
B)  a chronic or excessive enlargement of lymph nodes.
C)  accumulations of lymph in the tissue space.
D)  the lack of lymphocytes in peripheral circulation.
E)  increased numbers of circulating lymphocytes.F) None of the above
G) B) and E)

Question 9

Which of these is not a characteristic of AIDS?

Accepted Answer

A)  has killed at least 1/2 million people in the United States
B)  is spread most often through sexual contact
C)  attacks the T helper (CD4) cells
D)  is declining worldwide
E)  almost always eventually fatalF) A) and B)
G) All of the above

Question 10

If the thymus shrank and stopped making thymosins,we would expect to see an immediate decrease in the number of

Accepted Answer

A)  B lymphocytes.
B)  NK cells.
C)  T cells.
D)  neutrophils.
E)  red blood cells.F) A) and E)
G) C) and E)

Question 11

During a primary immune response,the

Accepted Answer

A)  IgM titer is initially higher than the IgG titer.
B)  IgG titer is initially higher than the IgM titer.
C)  IgM titer and the IgG titer rise in parallel.D) A) and B)
E) A) and C)

Question 12

Which of these is not a property of an IgG heavy chain?

Accepted Answer

A)  has one constant segment
B)  has one variable segment
C)  binds one light chain
D)  binds antigen at both ends
E)  binds complement in the constant regionF) C) and D)
G) A) and D)

Question 13

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Accepted Answer

A)  IgA.
B)  IgD.
C)  IgE.
D)  IgG.
E)  IgM.F) D) and E)
G) All of the above

Question 14

The immune system is said to exhibit ________ toward those agents that do not stimulate an immune response.

Accepted Answer

The answer of The immune system is said to exhibit...

Question 15

Adaptive defenses depend on the activities of

Accepted Answer

A)  monocytes.
B)  leukocytes.
C)  agranulocytes.
D)  erythrocytes.
E)  lymphocytes.F) A) and B)
G) A) and C)

Question 16

Immunoglobulins,formed of five subunits,that are the first antibodies to be produced in response to infection,are

Accepted Answer

A)  IgA.
B)  IgD.
C)  IgE.
D)  IgG.
E)  IgM.F) All of the above
G) B) and E)

Question 17

In a(n)________ either the immune system fails to develop normally or the immune response is blocked.

Accepted Answer

immunodefi...

Question 18

The cells responsible for the production of circulating immunoglobulins are ________ cells.

Accepted Answer

A)  NK
B)  plasma
C)  helper T
D)  thymus
E)  liverF) A) and C)
G) B) and C)

Question 19

The alternative pathway of complement activation is sometimes called the ________ pathway.

Accepted Answer

The answer of The alternative pathway of complement activation is...

Question 20

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Accepted Answer

A)  B
B)  T
C)  plasma
D)  nodule
E)  NKF) A) and E)
G) A) and D)

Exam 22: The Lymphatic System and Immunity

In a(n)________ either the immune system fails to develop normally or the immune response is blocked.

Correct Answerverifiedimmunodefi...View AnswerShow Answer

B cells are primarily activated by the activities of

Correct AnswerverifiedShow Answer

A sample of John's blood shows a high level of pyrogens.This would indicate that John

Correct AnswerverifiedShow Answer

Lymphocytes provide an adaptive or specific defense known as the

Correct AnswerverifiedShow Answer

The immune system is said to exhibit ________ toward those agents that do not stimulate an immune response.

Correct AnswerverifiedShow Answer

The term ________ refers to the ability to demonstrate an immune response upon exposure to an antigen.

Correct Answerverifiedimmunologi...View AnswerShow Answer

Which of these is not a characteristic of AIDS?

Correct AnswerverifiedShow Answer

Which of these is not a property of an IgG heavy chain?

Correct AnswerverifiedShow Answer

The only antibodies that normally cross the placenta are

Correct AnswerverifiedShow Answer

If the thymus shrank and stopped making thymosins,we would expect to see an immediate decrease in the number of

Correct AnswerverifiedShow Answer

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Correct AnswerverifiedShow Answer

The alternative pathway of complement activation is sometimes called the ________ pathway.

Correct AnswerverifiedShow Answer

Adaptive defenses depend on the activities of

Correct AnswerverifiedShow Answer

The term lymphadenopathy refers to

Correct AnswerverifiedShow Answer

The cells responsible for the production of circulating immunoglobulins are ________ cells.

Correct AnswerverifiedShow Answer

During a primary immune response,the

Correct AnswerverifiedShow Answer

Defense of the body against a particular pathogen is provided by

Correct AnswerverifiedShow Answer

Milly has just received a kidney transplant and is taking cyclosporin A.What does this medication do?

Correct AnswerverifiedShow Answer

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Correct AnswerverifiedShow Answer

Immunoglobulins,formed of five subunits,that are the first antibodies to be produced in response to infection,are

Correct AnswerverifiedShow Answer

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immunodefi...
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immunologi...
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