Question 1

Which of the following is not considered a barrier to entry of a pathogen?

Accepted Answer

A)  intact skin 
B)  mucous membranes 
C)  sebaceous secretions 
D)  acid pH of stomach 
E)  inflammatory response 
A)  intact skin 
B)  mucous membranes 
C)  sebaceous secretions 
D)  acid pH of stomach 
E)  inflammatory response

Question 2

Explain the presence and function of the IgA class of antibodies.

Accepted Answer

IgA antibodies are found in bo

Question 3

Phil was exposed to parasitic worms on a recent field trip to the tropics. Under these conditions, which antibody levels would be higher than normal?

Accepted Answer

A)  IgA 
B)  IgG 
C)  IgD 
D)  IgM 
E)  IgE 
A)  IgA 
B)  IgG 
C)  IgD 
D)  IgM 
E)  IgE

Question 4

The membrane attack complex of the complement system is not effective against viruses.

Accepted Answer

A) True 
 B)False

Question 5

List and describe the body's innate defenses.

Accepted Answer

The innate defenses of the body include

Question 6

Which of the following is not an autoimmune disease?

Accepted Answer

A)  hay fever 
B)  rheumatic fever 
C)  rheumatoid arthritis 
D)  systemic lupus erythematosus 
E)  myasthenia gravis 
A)  hay fever 
B)  rheumatic fever 
C)  rheumatoid arthritis 
D)  systemic lupus erythematosus 
E)  myasthenia gravis

Question 7

The acquired defense system only recognizes and destroys cells with antigens that come from outside the body.

Accepted Answer

A) True 
 B)False

Question 8

Histamine, released during inflammation, is associated with which defense mechanism?

Accepted Answer

A)  innate 
B)  active 
C)  complementary 
D)  cell-mediated 
E)  adaptive 
A)  innate 
B)  active 
C)  complementary 
D)  cell-mediated 
E)  adaptive

Question 9

Cytokines are signaling molecules produced by T lymphocytes.

Accepted Answer

A) True 
 B)False

Question 10

Which class of antibodies plays a role in activating the complement and clumping cells?

Accepted Answer

A)  IgM 
B)  IgG 
C)  IgA 
D)  IgD 
E)  IgE 
A)  IgM 
B)  IgG 
C)  IgA 
D)  IgD 
E)  IgE

Question 11

Lymph capillaries drain directly into the right lymphatic duct.

Accepted Answer

A) True 
 B)False

Question 12

Inflammation is normally a self-limiting process.

Accepted Answer

A) True 
 B)False

Question 13

What two sites are involved in the production and maturation of T lymphocytes?

Accepted Answer

A)  thyroid and tonsils 
B)  tonsils and thymus 
C)  bone marrow and thymus 
D)  bone marrow and thyroid 
E)  tonsils and bone marrow 
A)  thyroid and tonsils 
B)  tonsils and thymus 
C)  bone marrow and thymus 
D)  bone marrow and thyroid 
E)  tonsils and bone marrow

Question 14

Describe the function of the thymus as it relates to the lymphatic system.

Accepted Answer

The thymus has two main functions in reg

Question 15

What do having the measles and being vaccinated against the measles have in common?

Accepted Answer

A)  They are both forms of active immunity. 
B)  They are both forms of neutral immunity. 
C)  They are both forms of passive immunity. 
D)  They are both forms of an infection. 
E)  They are both forms of an immune deficiency. 
A)  They are both forms of active immunity. 
B)  They are both forms of neutral immunity. 
C)  They are both forms of passive immunity. 
D)  They are both forms of an infection. 
E)  They are both forms of an immune deficiency.

Question 16

Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. If it were positive, the site of the test would become hardened and red. What type of response is this?

Accepted Answer

A)  anaphylactic 
B)  histamine 
C)  immediate allergic 
D)  delayed allergic 
E)  B-cell mediated 
A)  anaphylactic 
B)  histamine 
C)  immediate allergic 
D)  delayed allergic 
E)  B-cell mediated

Question 17

People with allergies do not produce IgE.

Accepted Answer

A) True 
 B)False

Question 18

The reason the complement system is called that is because it

Accepted Answer

A)  is part of the inflammatory response. 
B)  helps other immune responses. 
C)  involves chemical barriers to entry. 
D)  produces T and B cells. 
E)  is composed of normal flora. 
A)  is part of the inflammatory response. 
B)  helps other immune responses. 
C)  involves chemical barriers to entry. 
D)  produces T and B cells. 
E)  is composed of normal flora.

Question 19

In SCID, antibodies are missing, but T cells function normally.

Accepted Answer

A) True 
 B)False

Question 20

In antibody-mediated immunity, where does the antigen first bind?

Accepted Answer

A)  memory cell 
B)  plasma cell 
C)  BCR 
D)  helper T cell 
E)  TCR 
A)  memory cell 
B)  plasma cell 
C)  BCR 
D)  helper T cell 
E)  TCR

Exam 7: The Lumphatic and Immune Systems

Which of the following is not considered a barrier to entry of a pathogen?

Explain the presence and function of the IgA class of antibodies.

Phil was exposed to parasitic worms on a recent field trip to the tropics. Under these conditions, which antibody levels would be higher than normal?

The membrane attack complex of the complement system is not effective against viruses.

List and describe the body's innate defenses.

Which of the following is not an autoimmune disease?

The acquired defense system only recognizes and destroys cells with antigens that come from outside the body.

Histamine, released during inflammation, is associated with which defense mechanism?

Cytokines are signaling molecules produced by T lymphocytes.

Which class of antibodies plays a role in activating the complement and clumping cells?

Lymph capillaries drain directly into the right lymphatic duct.

Inflammation is normally a self-limiting process.

What two sites are involved in the production and maturation of T lymphocytes?

Describe the function of the thymus as it relates to the lymphatic system.

What do having the measles and being vaccinated against the measles have in common?

Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. If it were positive, the site of the test would become hardened and red. What type of response is this?

People with allergies do not produce IgE.

The reason the complement system is called that is because it

In SCID, antibodies are missing, but T cells function normally.

In antibody-mediated immunity, where does the antigen first bind?

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