Question 1

Which of the following destroys virus- infected cells?

Accepted Answer

A)   TR
B)   Dendritic cells
C)   TC
D)   TH
E)   None of the aboveF) C) and D)
G) All of the above

Question 2

In addition to IgG, the antibodies that can fix complement are

Accepted Answer

A)   IgG.
B)   IgM.
C)   IgA.
D)   IgD.
E)   IgE.F) All of the above
G) None of the above

Question 3

Newborns' immunity due to the transfer of antibodies across the placenta.

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) C) and D)
G) B) and E)

Question 4

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) C) and D)
F) A) and B)

Question 5

Immunity resulting 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) A) and E)
G) C) and E)

Question 6

Immunity due to injection of tetanus toxoid.

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) A) and C)
G) A) and B)

Question 7

The specificity of an antibody is due to

Accepted Answer

A)   Its valence.
B)   The constant portions of the H and L chains.
C)   The variable portions of the H and L chains.
D)   The L chains.
E)   The H chains.F) A) and D)
G) B) and E)

Question 8

Which of the following is not a characteristic of B cells?

Accepted Answer

A)   They have antibodies on their surfaces.
B)   They recognize antigens associated with MHC I.
C)   They are responsible for antibody formation.
D)   They originate in bone marrow.
E)   They are responsible for the memory response.F) B) and E)
G) B) and C)

Question 9

The best definition of an antibody is

Accepted Answer

A)   A protein that inactivates or kills an antigen.
B)   An immunoglobulin.
C)   A protein made in response to an antigen that can combine with that antigen.
D)   A serum protein.
E)   None of the above.F) C) and E)
G) A) and D)

Question 10

The following events occur in cellular immunity. What is the third step?

Accepted Answer

A)   Antigen enters M cell
B)   TH cells proliferate.
C)   Antibodies are produced.
D)   Dendritic cell takes up antigen.
E)   TH cell produces cytokines.F) C) and E)
G) D) and E)

Question 11

The best definition of an antigen is

Accepted Answer

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

Question 12

Figure 17.2
 
-In Figure 17.2, which areas are similar for all IgG antibodies?

Accepted Answer

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

Question 13

Immunity due to injection of an antigen.

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) B) and E)
G) B) and C)

Question 14

Large antibodies that agglutinate antigens are

Accepted Answer

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

Question 15

Figure 17.1
 
-In Figure 17.1, which letter on the graph indicates the patient's response to a second antigen?

Accepted Answer

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

Question 16

Immunity that is not due to antibodies.

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) B) and C)
G) C) and D) A

Question 17

Antigen- antibody binding may result in all of the following except

Accepted Answer

A)   Complement activation.
B)   Agglutination of the antigens.
C)   IL- 2 production.
D)   Neutralization of the antigen.
E)   Opsonization of the antigen.F) A) and B)
G) C) and D)

Question 18

The most abundant class of antibodies in serum is

Accepted Answer

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

Question 19

A human's resistance to canine distemper.

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) C) and D)
G) A) and E)

Question 20

Antigens coated with antibodies are susceptible to

Accepted Answer

A)   B cells.
B)   Phagocytosis.
C)   Helper T cells.
D)   Further antibody attack.
E)   None of the above.F) A) and B)
G) B) and E)

Exam 17: Adaptive Immunity: Specific Defenses of the Host

Which of the following destroys virus- infected cells?

Correct AnswerverifiedShow Answer

In addition to IgG, the antibodies that can fix complement are

Correct AnswerverifiedShow Answer

Newborns' immunity due to the transfer of antibodies across the placenta.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Immunity resulting from recovery from mumps.

Correct AnswerverifiedShow Answer

Immunity due to injection of tetanus toxoid.

Correct AnswerverifiedShow Answer

The specificity of an antibody is due to

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of B cells?

Correct AnswerverifiedShow Answer

The best definition of an antibody is

Correct AnswerverifiedShow Answer

The following events occur in cellular immunity. What is the third step?

Correct AnswerverifiedShow Answer

The best definition of an antigen is

Correct AnswerverifiedShow Answer

Figure 17.2 -In Figure 17.2, which areas are similar for all IgG antibodies?

Correct AnswerverifiedShow Answer

Immunity due to injection of an antigen.

Correct AnswerverifiedShow Answer

Large antibodies that agglutinate antigens are

Correct AnswerverifiedB

Figure 17.1 -In Figure 17.1, which letter on the graph indicates the patient's response to a second antigen?

Correct AnswerverifiedShow Answer

Immunity that is not due to antibodies.

Correct AnswerverifiedA

Antigen- antibody binding may result in all of the following except

Correct AnswerverifiedShow Answer

The most abundant class of antibodies in serum is

Correct AnswerverifiedA

A human's resistance to canine distemper.

Correct AnswerverifiedShow Answer

Antigens coated with antibodies are susceptible to

Correct AnswerverifiedShow Answer

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B

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A

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A

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