Question 1

Which of the following is the best definition of antigen?

Accepted Answer

A)  something foreign in the body
B)  a chemical that elicits an antibody response and can combine with these antibodies
C)  a chemical that combines with antibodies
D)  a pathogen
E)  a protein that combines with antibodiesF) C) and D)
G) B) and D)

Question 2

The antibodies found almost entirely and only on the surface of B cells (not secreted from them) ,and which always exist as monomers,are

Accepted Answer

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

Question 3

Which of the following statements about cytokines is FALSE?

Accepted Answer

A)  They are soluble proteins or glycoproteins.
B)  They are produced by immune cells in response to a stimulus.
C)  Some have multiple functions.
D)  They are chemical communication between cells.
E)  There are 10 types.F) B) and D)
G) A) and D)

Question 4

Figure 17.2
 
-In Figure 17.2,what portion will typically attach to a host cell?

Accepted Answer

A)  a and c
B)  b
C)  b and c
D)  a and d
E)  eF) A) and D)
G) A) and E)

Question 5

Which of the following are NOT lymphocytes?

Accepted Answer

A)  cytotoxic T cells
B)  helper T cells
C)  NK cells
D)  M cells
E)  B cellsF) A) and E)
G) B) and E)

Question 6

Which of the following destroys virus-infected cells?

Accepted Answer

A)  CTL
B)  Tᵣₑg
C)  TH
D)  dendritic cells
E)  B cellsF) A) and C)
G) C) and E)

Question 7

Figure 17.2
 
-In Figure 17.2,which areas are different for all IgM antibodies?

Accepted Answer

A)  a and b
B)  a and c
C)  b and c
D)  c and dE) A) and B)
F) None of the above

Question 8

The antibodies found in mucus,saliva,and tears are

Accepted Answer

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

Question 9

Figure 17.1
 
-In Figure 17.1,which letter on the graph indicates the patient's secondary response to a repeated exposure with the identical antigen?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and B)
G) B) and C)

Question 10

Describe the production of antibodies using the clonal selection theory.

Accepted Answer

The production of antibodies using the c...

Question 11

The production of interferons at an infection site is critical for chemotaxis.

Accepted Answer

A) True 
 B)False

Question 12

Figure 17.1
 
-In Figure 17.1,the arrow at time (d) indicates

Accepted Answer

A)  the time of exposure to the same antigen as at time (a) .
B)  the secondary response.
C)  the primary response.
D)  exposure to a new antigen.
E)  the T-cell response.F) None of the above
G) A) and B)

Question 13

The antibodies that typically bind to large parasites are

Accepted Answer

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

Question 14

When an antibody binds to a toxin,the resulting action is referred to as

Accepted Answer

A)  agglutination.
B)  opsonization.
C)  ADCC.
D)  apoptosis.
E)  neutralization.F) None of the above
G) All of the above

Question 15

Apoptosis results in significant leakage of cellular contents.

Accepted Answer

A) True 
 B)False

Question 16

Which one of the following causes transmembrane channels in target cells?

Accepted Answer

A)  granzymes
B)  hapten
C)  IL-1
D)  IL-2
E)  perforinF) A) and E)
G) A) and D)

Question 17

What type of immunity results from recovery from mumps?

Accepted Answer

A)  innate immunity
B)  naturally acquired active immunity
C)  naturally acquired passive immunity
D)  artificially acquired active immunity
E)  artificially acquired passive immunityF) None of the above
G) A) and B)

Question 18

Can natural killer cells successfully perform duties without antibodies? Explain.

Accepted Answer

Yes, natural killer (NK) cells can succe...

Question 19

When haptens attach to carrier molecules,an epitope forms on hapten which then can be bound to antibody.

Accepted Answer

A) True 
 B)False

Question 20

Plasma cells will eventually differentiate into memory cells.

Accepted Answer

A) True 
 B)False

Exam 17: Adaptive Immunity: Specific Defenses of the Host

When haptens attach to carrier molecules,an epitope forms on hapten which then can be bound to antibody.

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The production of interferons at an infection site is critical for chemotaxis.

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Apoptosis results in significant leakage of cellular contents.

Correct AnswerverifiedShow Answer

The antibodies that typically bind to large parasites are

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Plasma cells will eventually differentiate into memory cells.

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When an antibody binds to a toxin,the resulting action is referred to as

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Figure 17.1 -In Figure 17.1,which letter on the graph indicates the patient's secondary response to a repeated exposure with the identical antigen?

Correct AnswerverifiedShow Answer

Which of the following statements about cytokines is FALSE?

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What type of immunity results from recovery from mumps?

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The antibodies found in mucus,saliva,and tears are

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Which of the following is the best definition of antigen?

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Figure 17.2 -In Figure 17.2,what portion will typically attach to a host cell?

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Which one of the following causes transmembrane channels in target cells?

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Which of the following destroys virus-infected cells?

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Which of the following are NOT lymphocytes?

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Describe the production of antibodies using the clonal selection theory.

Correct AnswerAnswered by ExamLex AIThe production of antibodies using the c...View AnswerShow Answer

The antibodies found almost entirely and only on the surface of B cells (not secreted from them) ,and which always exist as monomers,are

Correct AnswerverifiedShow Answer

Can natural killer cells successfully perform duties without antibodies? Explain.

Correct AnswerAnswered by ExamLex AIYes, natural killer (NK) cells can succe...View AnswerShow Answer

Figure 17.1 -In Figure 17.1,the arrow at time (d) indicates

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Figure 17.2 -In Figure 17.2,which areas are different for all IgM antibodies?

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The production of antibodies using the c...
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Answered by ExamLex AI
Yes, natural killer (NK) cells can succe...
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