Question 1

A variety of lymphatic cells are involved in the immune response. Which is not part of the process?

Accepted Answer

A)   Production of antibodies
B)   Direct attack and destruction of foreign or abnormal agents
C)   Replication of antigens
D)   Formation of memory cellsE) A) and D)
F) None of the above

Question 2

High fevers can lead to protein denaturation and raise the likelihood of seizures.

Accepted Answer

A) True 
 B)False

Question 3

During development, T lymphocytes are tested to make sure they react to antigen. In other words, they are tested to see if they are ________.

Accepted Answer

The answer of During development, T lymphocytes are tested to...

Question 4

Poison ivy contains a toxin that acts as a hapten by

Accepted Answer

A)   raising the body's sensitivity to a wide variety of chemicals such as penicillin.
B)   cutting plasma protein antibodies in half.
C)   preventing effective immune responses by blocking release of bradykinin.
D)   combining with a body protein and then triggering an immune response.E) A) and D)
F) All of the above

Question 5

Antigen-presenting cells are ________, and they display antigens to both ________ and ________.

Accepted Answer

A)   immune cells; B-lymphocytes; T-lymphocytes
B)   immune cells; helper T-lymphocytes; cytotoxic T-lymphocytes
C)   any nucleated cell; B-lymphocytes; T-lymphocytes
D)   any anucleate cell; helper T-lymphocytes; cytotoxic T-lymphocytes
E)   any blood cell; helper B-lymphocytes; cytotoxic B-lymphocytesF) C) and D)
G) A) and C)

Question 6

Interleukin 1 and interferons act as

Accepted Answer

A)   defervescents and trigger an elevation of body temperature.
B)   defervescents and trigger a decrease of body temperature.
C)   pyrogens and trigger an elevation of body temperature.
D)   pyrogens and trigger a decrease of body temperature.E) A) and B)
F) All of the above

Question 7

Dendritic cells serve as antigen-presenting cells.

Accepted Answer

A) True 
 B)False

Question 8

What are considered the effectors of humoral immunity?

Accepted Answer

A)   Helper T-lymphocytes
B)   Cytotoxic T-lymphocytes
C)   Antibodies
D)   Macrophages
E)   Natural killer cellsF) None of the above
G) C) and D)

Question 9

Activation of a CD4+ cell requires an APC to present antigen with

Accepted Answer

A)   MHC class II protein.
B)   MHC class I protein.
C)   CD8 protein.
D)   a B cell receptor.E) B) and D)
F) A) and B)

Question 10

A delayed response to a specific antigen is provided by

Accepted Answer

A)   adaptive immunity.
B)   innate immunity.
C)   inflammation.D) A) and C)
E) A) and B)

Question 11

Dendritic cells of the skin are derived from

Accepted Answer

A)   macrophages.
B)   B-lymphocytes.
C)   T-lymphocytes.
D)   monocytes.
E)   neutrophils.F) C) and D)
G) D) and E)

Question 12

One of the goals of an inflammatory response is to prevent the spread of an infection.

Accepted Answer

A) True 
 B)False

Question 13

Metals and plastics of artificial implants generally have high immunogenicity.

Accepted Answer

A) True 
 B)False

Question 14

Passive immunity lasts

Accepted Answer

A)   from days to weeks, and involves development of memory cells.
B)   from days to weeks, and does not involve development of memory cells.
C)   from years to a lifetime, and involves the development of memory cells.
D)   from years to a lifetime, and does not involve development of memory cells.E) A) and B)
F) A) and C)

Question 15

In positive selection of T-lymphocytes, those cells that

Accepted Answer

A)   bind self-antigens are eliminated.
B)   can bind MHC survive.
C)   bind to self-antigens survive.
D)   bind to MHC class II are eliminated.E) C) and D)
F) A) and D)

Exam 22: Immune System and the Bodys Defense

Passive immunity lasts

Correct Answer
verified

Metals and plastics of artificial implants generally have high immunogenicity.

Correct Answer
verified

Dendritic cells of the skin are derived from

Correct Answer
verified

Dendritic cells serve as antigen-presenting cells.

Correct Answer
verified

Activation of a CD4+ cell requires an APC to present antigen with

Correct Answer
verified

What are considered the effectors of humoral immunity?

Correct Answer
verified

During development, T lymphocytes are tested to make sure they react to antigen. In other words, they are tested to see if they are ________.

Correct Answer
verified

In positive selection of T-lymphocytes, those cells that

Correct Answer
verified

Interleukin 1 and interferons act as

Correct Answer
verified

A delayed response to a specific antigen is provided by

Correct Answer
verified

One of the goals of an inflammatory response is to prevent the spread of an infection.

Correct Answer
verified

High fevers can lead to protein denaturation and raise the likelihood of seizures.

Correct Answer
verified

A variety of lymphatic cells are involved in the immune response. Which is not part of the process?

Correct Answer
verified

Poison ivy contains a toxin that acts as a hapten by

Correct Answer
verified

Antigen-presenting cells are , and they display antigens to both and .

Correct Answer
verified

Exam 22: Immune System and the Bodys Defense

Passive immunity lasts

Correct AnswerverifiedShow Answer

Metals and plastics of artificial implants generally have high immunogenicity.

Correct AnswerverifiedShow Answer

Dendritic cells of the skin are derived from

Correct AnswerverifiedShow Answer

Dendritic cells serve as antigen-presenting cells.

Correct AnswerverifiedShow Answer

Activation of a CD4+ cell requires an APC to present antigen with

Correct AnswerverifiedShow Answer

What are considered the effectors of humoral immunity?

Correct AnswerverifiedShow Answer

During development, T lymphocytes are tested to make sure they react to antigen. In other words, they are tested to see if they are ________.

Correct AnswerverifiedShow Answer

In positive selection of T-lymphocytes, those cells that

Correct AnswerverifiedShow Answer

Interleukin 1 and interferons act as

Correct AnswerverifiedShow Answer

A delayed response to a specific antigen is provided by

Correct AnswerverifiedShow Answer

One of the goals of an inflammatory response is to prevent the spread of an infection.

Correct AnswerverifiedShow Answer

High fevers can lead to protein denaturation and raise the likelihood of seizures.

Correct AnswerverifiedShow Answer

A variety of lymphatic cells are involved in the immune response. Which is not part of the process?

Correct AnswerverifiedShow Answer

Poison ivy contains a toxin that acts as a hapten by

Correct AnswerverifiedShow Answer

Antigen-presenting cells are ________, and they display antigens to both ________ and ________.

Correct AnswerverifiedShow Answer

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Antigen-presenting cells are , and they display antigens to both and .

Correct Answer
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