Question 1

__________ are helper and inducer cells.

Accepted Answer

A)  B cells
B)  Macrophages
C)  Plasma cells
D)  T cells
E)  MonocytesF) C) and E)
G) A) and B)

Question 2

Which part of the antibody molecule determines its role in the immune response?

Accepted Answer

A)  two arms of the Y
B)  disulfide chains
C)  the heavy chains
D)  the stem of the Y
E)  the entire moleculeF) A) and D)
G) A) and C)

Question 3

Which of the following regarding antigens is true?

Accepted Answer

A)  A large antigen is likely to have many different epitopes,each of which can stimulate a distinct immune response.
B)  An antigen is a molecule which promotes a general immune response.
C)  Bacteria do not contain antigens.
D)  Antigens can only be recognized by their specificity.
E)  The most effective antigens are small simple amino acid complexes.F) A) and C)
G) D) and E)

Question 4

All of the following are defense mechanisms employed by vertebrates except

Accepted Answer

A)  specific antibodies.
B)  negative test,as in,not finding self-markers.
C)  skin and mucous membranes as barriers.
D)  positive test to recognize presence of nonself-markers.
E)  change in chromosomal composition.F) All of the above
G) C) and E)

Question 5

The cell-mediated immune response is brought about by

Accepted Answer

A)  B cells.
B)  T cells.
C)  erythrocytes.
D)  fibroblasts.
E)  lysozymes.F) B) and E)
G) B) and C)

Question 6

The procedure of injecting a harmless microbe in order to confer resistance to a dangerous one is called

Accepted Answer

A)  vaccination.
B)  immunity.
C)  antibody modification.
D)  interferon activation.
E)  immunoglobulin synthesis.F) B) and D)
G) A) and B)

Question 7

In the humoral response,B cells produce plasma cells,which in turn produce large quantities of

Accepted Answer

A)  agglutinations that are specific for foreign antigens.
B)  interferons specific for foreign antigens.
C)  immunoglobulins specific for foreign antigens.
D)  antibodies specific for foreign antigens.
E)  macrophages specific for foreign antigens.F) B) and C)
G) C) and E)

Question 8

Histamine and prostaglandins are called

Accepted Answer

A)  immunoglobulins.
B)  antibodies.
C)  inflammatory agents.
D)  allergic agents.
E)  pyrogens.F) B) and E)
G) C) and D)

Question 9

Nonself molecules called antigens cause the vertebrate system to produce proteins known as

Accepted Answer

A)  interferons.
B)  antibodies.
C)  complements.
D)  immunoglobulins.
E)  phagocytes.F) B) and C)
G) C) and D)

Question 10

When a "new" antigen first challenges the immune system,if the primary immune response produces B cells,what are the fates of those B cells?
I-Some of the B cells become plasma cells that secrete antibodies.
II-Some of the B cells become memory cells and can produce a swifter response if the body encounters that particular antigen again.
III-Some of the B cells secrete chemicals called pyrogens that travel to the brain inducing a fever.

Accepted Answer

A)  just II
B)  just I
C)  II and III
D)  I and II
E)  I,II,and IIIF) All of the above
G) C) and D)

Question 11

When a person is tested for HIV,if _______ to the HIV are present the test is called positive.

Accepted Answer

A)  bacteria
B)  antigens
C)  antibodies
D)  T-cells
E)  natural killer cellsF) A) and E)
G) All of the above C

Question 12

Which is the major form of antibody in external secretions?

Accepted Answer

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

Question 13

In acquired immunologic tolerance

Accepted Answer

A)  there is the lack of an immunological response against self.
B)  grafts of foreign tissue are rejected in the adult.
C)  foreign tissue introduced into the embryo is not recognized as nonself.
D)  embryos are implanted with immunosuppressive tissue.
E)  embryos are implanted with bone from the mother.F) D) and E)
G) None of the above C

Question 14

MHC-II cell surface proteins are only found in

Accepted Answer

A)  macrophages,B cells,and CD4+ cells.
B)  erythrocytes.
C)  acidophils.
D)  neutrophils.
E)  neutrophils and macrophages.F) D) and E)
G) B) and D)

Question 15

T cells and B cells possess immune _______ that can recognize specific antigens.

Accepted Answer

A)  detectors
B)  receptors
C)  inducers
D)  precursorsE) B) and C)
F) A) and D) B

Question 16

Which is a treatment for autoimmune disease?
I-administration of corticosteroids
II-administration of nonsteroidal anti-inflammatory drugs
III-aspirin

Accepted Answer

A)  I only
B)  II only
C)  II and III
D)  I and II
E)  I,II,and IIIF) A) and D)
G) A) and E)

Question 17

Which of the following is not a part of the normal humoral immune response?

Accepted Answer

A)  IgM is produced first.
B)  It activates the complement system.
C)  IgA is secreted in external secretions like saliva.
D)  IgG antibodies are produceD.
E)  It promotes phagocytosis.F) None of the above
G) B) and D)

Question 18

Which of the following blood types should not be given to a young female with type AB Rh- blood?

Accepted Answer

A)  B Rh- blood
B)  AB Rh- blood
C)  O Rh- blood
D)  A Rh- blood
E)  AB Rh+ bloodF) A) and D)
G) D) and E)

Question 19

Which of the following is not a nonspecific defense of the vertebrate system?

Accepted Answer

A)  cells that ingest invading microbes
B)  antimicrobial proteins that kill pathogens
C)  immunoglobulin synthesis
D)  the inflammatory response
E)  the temperature responseF) A) and D)
G) A) and B)

Question 20

Which of the following mechanisms is not used to expel foreign pathogens?

Accepted Answer

A)  producing antibodies
B)  urination
C)  sneezing
D)  coughing
E)  vomitingF) A) and B)
G) A) and C)

Exam 52: The Immune System

__________ are helper and inducer cells.

Correct Answer
verified

Which part of the antibody molecule determines its role in the immune response?

Correct Answer
verified

Which of the following regarding antigens is true?

Correct Answer
verified

All of the following are defense mechanisms employed by vertebrates except

Correct Answer
verified

The cell-mediated immune response is brought about by

Correct Answer
verified

The procedure of injecting a harmless microbe in order to confer resistance to a dangerous one is called

Correct Answer
verified

In the humoral response,B cells produce plasma cells,which in turn produce large quantities of

Correct Answer
verified

Histamine and prostaglandins are called

Correct Answer
verified

Nonself molecules called antigens cause the vertebrate system to produce proteins known as

Correct Answer
verified

Correct Answer
verified

When a person is tested for HIV,if _______ to the HIV are present the test is called positive.

Correct Answer
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C

Which is the major form of antibody in external secretions?

Correct Answer
verified

In acquired immunologic tolerance

Correct Answer
verified
C

MHC-II cell surface proteins are only found in

Correct Answer
verified

T cells and B cells possess immune _______ that can recognize specific antigens.

Correct Answer
verified
B

Which is a treatment for autoimmune disease? I-administration of corticosteroids II-administration of nonsteroidal anti-inflammatory drugs III-aspirin

Correct Answer
verified

Which of the following is not a part of the normal humoral immune response?

Correct Answer
verified

Which of the following blood types should not be given to a young female with type AB Rh^- blood?

Correct Answer
verified

Which of the following is not a nonspecific defense of the vertebrate system?

Correct Answer
verified

Which of the following mechanisms is not used to expel foreign pathogens?

Correct Answer
verified

Exam 52: The Immune System

__________ are helper and inducer cells.

Correct AnswerverifiedShow Answer

Which part of the antibody molecule determines its role in the immune response?

Correct AnswerverifiedShow Answer

Which of the following regarding antigens is true?

Correct AnswerverifiedShow Answer

All of the following are defense mechanisms employed by vertebrates except

Correct AnswerverifiedShow Answer

The cell-mediated immune response is brought about by

Correct AnswerverifiedShow Answer

The procedure of injecting a harmless microbe in order to confer resistance to a dangerous one is called

Correct AnswerverifiedShow Answer

In the humoral response,B cells produce plasma cells,which in turn produce large quantities of

Correct AnswerverifiedShow Answer

Histamine and prostaglandins are called

Correct AnswerverifiedShow Answer

Nonself molecules called antigens cause the vertebrate system to produce proteins known as

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

When a person is tested for HIV,if _______ to the HIV are present the test is called positive.

Correct AnswerverifiedC

Which is the major form of antibody in external secretions?

Correct AnswerverifiedShow Answer

In acquired immunologic tolerance

Correct AnswerverifiedC

MHC-II cell surface proteins are only found in

Correct AnswerverifiedShow Answer

T cells and B cells possess immune _______ that can recognize specific antigens.

Correct AnswerverifiedB

Which is a treatment for autoimmune disease? I-administration of corticosteroids II-administration of nonsteroidal anti-inflammatory drugs III-aspirin

Correct AnswerverifiedShow Answer

Which of the following is not a part of the normal humoral immune response?

Correct AnswerverifiedShow Answer

Which of the following blood types should not be given to a young female with type AB Rh- blood?

Correct AnswerverifiedShow Answer

Which of the following is not a nonspecific defense of the vertebrate system?

Correct AnswerverifiedShow Answer

Which of the following mechanisms is not used to expel foreign pathogens?

Correct AnswerverifiedShow Answer

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C

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C

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B

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Which of the following blood types should not be given to a young female with type AB Rh^- blood?

Correct Answer
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Correct Answer
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