Question 1

Which of these statements applies to B lymphocytes

Accepted Answer

A)  They are responsible for antibody-mediated immunity.
B)  They are activated by thymosin.
C)  They mature and differentiate into macrophages.
D)  They bind with foreign antigen in association with self-antigen.E) B) and D)
F) A) and C)

Question 2

____________________ are plasma membrane-bound glycoproteins that serve as self-antigens.

Accepted Answer

Human leuk...

Question 3

Debris trapped on the sticky mucus lining the respiratory airways is primarily cleared away by the alveolar macrophages.

Accepted Answer

A) True 
 B)False

Question 4

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) 
-destroy host cells bearing foreign antigen

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to suppressor T cells
D)  applies to both helper T and suppressor T cells
E)  applies to all three types of T cellsF) A) and C)
G) B) and D)

Question 5

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) 
-are the most abundant cell type in the skin

Accepted Answer

A)  keratinocytes
B)  melanocytes
C)  Langerhans cells
D)  Granstein cellsE) None of the above
F) A) and D)

Question 6

Adipose tissue is located within the hypodermis.

Accepted Answer

A) True 
 B)False

Question 7

Match the condition, labelled a. through g., with the characteristic.
-allergic response mediated by T cells

Accepted Answer

A)  serum sickness
B)  immediate hypersensitivity
C)  acquired immune deficiency syndrome
D)  delayed hypersensitivity
E)  immune-complex diseaseF) autoimmune diseaseG) severe combined immunodeficiencyH) B) and C)
I) A) and B)

Question 8

Antibodies are not able to directly destroy invading organisms.

Accepted Answer

A) True 
 B)False

Question 9

Match the type of immunity, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) 
-natural immunity is actually a special case of this type of immunity

Accepted Answer

A)  applies to active immunity
B)  applies to passive immunity
C)  applies to both active and passive immunityD) B) and C)
E) A) and C)

Question 10

What do mast cells release that brings about localized vasodilation in an inflamed area

Accepted Answer

A)  histamine
B)  opsonin
C)  interleukin 1
D)  leukocyte mediatorE) All of the above
F) B) and C)

Question 11

Which of these chemicals induces prolonged contraction of smooth muscle during allergic reactions

Accepted Answer

A)  basophil chemotactic factor
B)  eosinophil chemotactic factor
C)  histamine
D)  SRS-AE) B) and C)
F) B) and D)

Question 12

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) 
-secrete interleukin 1

Accepted Answer

A)  keratinocytes
B)  melanocytes
C)  Langerhans cells
D)  Granstein cellsE) All of the above
F) C) and D)

Question 13

Match the condition, labelled a. through g., with the characteristic.
-allergic reaction to injection of "borrowed" antibodies that confer passive immunity

Accepted Answer

A)  serum sickness
B)  immediate hypersensitivity
C)  acquired immune deficiency syndrome
D)  delayed hypersensitivity
E)  immune-complex diseaseF) autoimmune diseaseG) severe combined immunodeficiencyH) B) and E)
I) A) and F)

Question 14

Match the antibody type, labelled a. through e., with the correct characteristic.
-a mediator in asthma and hives

Accepted Answer

A)  IgM
B)  IgE
C)  IgG
D)  IgA
E)  IgDF) A) and D)
G) B) and C)

Question 15

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) 
-recognize class I MHC glycoproteins

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to suppressor T cells
D)  applies to both helper T and suppressor T cells
E)  applies to all three types of T cellsF) None of the above
G) All of the above

Question 16

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) 
-are the most numerous of the T cells

Accepted Answer

A)  applies to cytotoxic T cells
B)  applies to helper T cells
C)  applies to suppressor T cells
D)  applies to both helper T and suppressor T cells
E)  applies to all three types of T cellsF) A) and C)
G) A) and B)

Question 17

B lymphocytes are involved with immediate hypersensitivity reactions, whereas T lymphocytes are involved with delayed hypersensitivity reactions.

Accepted Answer

A) True 
 B)False

Question 18

Interferon is secreted by lymphoid organs.

Accepted Answer

A) True 
 B)False

Question 19

Specific immune responses are selectively targeted against particular foreign material to which the body has previously been exposed.

Accepted Answer

A) True 
 B)False

Question 20

Pathogenic bacteria induce tissue damage and produce disease by invading host cells and taking over the cellular biochemical facilities for their own purposes.

Accepted Answer

A) True 
 B)False

Exam 11: Body Defences

Specific immune responses are selectively targeted against particular foreign material to which the body has previously been exposed.

Correct AnswerverifiedShow Answer

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -are the most abundant cell type in the skin

Correct AnswerverifiedShow Answer

Debris trapped on the sticky mucus lining the respiratory airways is primarily cleared away by the alveolar macrophages.

Correct AnswerverifiedShow Answer

B lymphocytes are involved with immediate hypersensitivity reactions, whereas T lymphocytes are involved with delayed hypersensitivity reactions.

Correct AnswerverifiedShow Answer

Antibodies are not able to directly destroy invading organisms.

Correct AnswerverifiedShow Answer

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) -recognize class I MHC glycoproteins

Correct AnswerverifiedShow Answer

Match the condition, labelled a. through g., with the characteristic. -allergic reaction to injection of "borrowed" antibodies that confer passive immunity

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Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) -are the most numerous of the T cells

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Match the type of immunity, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) -natural immunity is actually a special case of this type of immunity

Correct AnswerverifiedShow Answer

Match the condition, labelled a. through g., with the characteristic. -allergic response mediated by T cells

Correct AnswerverifiedShow Answer

Interferon is secreted by lymphoid organs.

Correct AnswerverifiedShow Answer

Which of these chemicals induces prolonged contraction of smooth muscle during allergic reactions

Correct AnswerverifiedShow Answer

____________________ are plasma membrane-bound glycoproteins that serve as self-antigens.

Correct AnswerverifiedHuman leuk...View AnswerShow Answer

Adipose tissue is located within the hypodermis.

Correct AnswerverifiedShow Answer

Pathogenic bacteria induce tissue damage and produce disease by invading host cells and taking over the cellular biochemical facilities for their own purposes.

Correct AnswerverifiedShow Answer

What do mast cells release that brings about localized vasodilation in an inflamed area

Correct AnswerverifiedShow Answer

Match the type of T cell, labelled a. through e., with its characteristics. (Options may be used more than once or not at all.) -destroy host cells bearing foreign antigen

Correct AnswerverifiedShow Answer

Match the defence cell, labelled a. through d., with the correct characteristics. (Options may be used more than once or not at all.) -secrete interleukin 1

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Match the antibody type, labelled a. through e., with the correct characteristic. -a mediator in asthma and hives

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Which of these statements applies to B lymphocytes

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Human leuk...
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