Question 1

Latent infections are those that

Accepted Answer

A)  develop and progress slowly.
B)  develop quickly and end sooner.
C)  exist as a silent phase in which the agent is causing no notable effect.
D)  develop quickly but last longer.E) B) and C)
F) A) and C)

Question 2

Nosocomial infections are those that

Accepted Answer

A)  develop and progress slowly.
B)  develop quickly.
C)  are contracted in the hospital environment.
D)  develop quickly but last longer.E) C) and D)
F) B) and C) C

Question 3

IgM is

Accepted Answer

A)  the first antibody produced when an invading microorganism is initially encountered.
B)  the antibody that is associated with various parasitic infections.
C)  the antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes.
D)  the second antibody produced when an invading microorganism is initially encountered and the most abundant.E) A) and B)
F) None of the above

Question 4

Which immune system cells primarily function as antibody producers and originate from stem cells?

Accepted Answer

A)  B lymphocytes
B)  T lymphocytes
C)  Natural killer cells
D)  NeutrophilsE) A) and B)
F) A) and C)

Question 5

The complement system serves to

Accepted Answer

A)  increase blood flow to the area of infection and can also effectively wall off the infection through the production of barrier substances.
B)  attract and enhance the activities of phagocytes.
C)  provide substances secreted by one type of cell that have substantial effects on the antiinfective activities of other cells.
D)  All of the above are correct.E) B) and D)
F) A) and D)

Question 6

Infectious processes that develop and progress slowly are known as

Accepted Answer

A)  chronic infections.
B)  latent infections.
C)  acute infections.
D)  nosocomial infections.E) A) and B)
F) A) and C)

Question 7

The first antibody produced when an invading microorganism is initially encountered is

Accepted Answer

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

Question 8

Proper handwashing and hygiene by hospital staff is essential in preventing what type of infections?

Accepted Answer

A)  Chronic infections
B)  Latent infections
C)  Acute infections
D)  Nosocomial infectionsE) B) and D)
F) B) and C)

Question 9

Cells that ingest and destroy bacteria and other foreign particles are called

Accepted Answer

A)  phagocytes.
B)  polymorphonuclear leukocytes.
C)  neutrophils.
D)  macrophages.
E)  All of the above are correct.F) D) and E)
G) A) and B)

Question 10

Infectious processes that develop quickly are referred to as

Accepted Answer

A)  chronic infections.
B)  latent infections.
C)  acute infections.
D)  nosocomial infections.E) None of the above
F) A) and D)

Question 11

Cells that live a day or less circulating in blood and tissues and are usually the first cells on the scene of bacterial invasion are called

Accepted Answer

A)  monocytes.
B)  polymorphonuclear neutrophils.
C)  lymphocytes.
D)  macrophages.
E)  All of the above are correct.F) A) and E)
G) B) and E)

Question 12

IgE is

Accepted Answer

A)  the first antibody produced when an invading microorganism is initially encountered.
B)  the antibody that is associated with various parasitic infections.
C)  the antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes.
D)  the second antibody produced when an invading microorganism is initially encountered and the most abundant.E) A) and B)
F) All of the above B

Question 13

Chronic infections are those that

Accepted Answer

A)  develop and progress slowly.
B)  develop quickly.
C)  are contracted in the hospital environment.
D)  develop quickly but last longer.E) C) and D)
F) A) and B)

Question 14

The antibody that is associated with various parasitic infections is

Accepted Answer

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

Question 15

The persistent survival of microorganisms on a surface of the human body is called

Accepted Answer

A)  infection.
B)  colonization.
C)  nosocomial infection.
D)  a reservoir.E) A) and B)
F) A) and C)

Question 16

IgG is

Accepted Answer

A)  the first antibody produced when an invading microorganism is initially encountered.
B)  the antibody that is associated with various parasitic infections.
C)  the antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes.
D)  the second antibody produced when an invading microorganism is initially encountered and the most abundant.E) All of the above
F) A) and B)

Question 17

Which immune system cells destroy infected or malignant host cells?

Accepted Answer

A)  B lymphocytes
B)  T lymphocytes
C)  Natural killer cells
D)  NeutrophilsE) A) and D)
F) None of the above

Question 18

IgA is

Accepted Answer

A)  the first antibody produced when an invading microorganism is initially encountered.
B)  the antibody that is associated with various parasitic infections.
C)  the antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes.
D)  the second antibody produced when an invading microorganism is initially encountered and the most abundant.E) A) and B)
F) B) and D) C

Question 19

Specific proteins produced by cells of the immune system in response to the presence of foreign molecules that circulate in the serum and are present in secretions such as saliva are called

Accepted Answer

A)  antigens.
B)  immunoglobulins.
C)  cytokines.
D)  phagogens.E) B) and D)
F) B) and C)

Question 20

The antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes is

Accepted Answer

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

Exam 3: Host-Microorganism Interactions

Latent infections are those that

Correct AnswerverifiedShow Answer

Nosocomial infections are those that

Correct AnswerverifiedC

IgM is

Correct AnswerverifiedShow Answer

Which immune system cells primarily function as antibody producers and originate from stem cells?

Correct AnswerverifiedShow Answer

The complement system serves to

Correct AnswerverifiedShow Answer

Infectious processes that develop and progress slowly are known as

Correct AnswerverifiedShow Answer

The first antibody produced when an invading microorganism is initially encountered is

Correct AnswerverifiedShow Answer

Proper handwashing and hygiene by hospital staff is essential in preventing what type of infections?

Correct AnswerverifiedShow Answer

Cells that ingest and destroy bacteria and other foreign particles are called

Correct AnswerverifiedShow Answer

Infectious processes that develop quickly are referred to as

Correct AnswerverifiedShow Answer

Cells that live a day or less circulating in blood and tissues and are usually the first cells on the scene of bacterial invasion are called

Correct AnswerverifiedShow Answer

IgE is

Correct AnswerverifiedB

Chronic infections are those that

Correct AnswerverifiedShow Answer

The antibody that is associated with various parasitic infections is

Correct AnswerverifiedShow Answer

The persistent survival of microorganisms on a surface of the human body is called

Correct AnswerverifiedShow Answer

IgG is

Correct AnswerverifiedShow Answer

Which immune system cells destroy infected or malignant host cells?

Correct AnswerverifiedShow Answer

IgA is

Correct AnswerverifiedC

Specific proteins produced by cells of the immune system in response to the presence of foreign molecules that circulate in the serum and are present in secretions such as saliva are called

Correct AnswerverifiedShow Answer

The antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes is

Correct AnswerverifiedShow Answer

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C

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B

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C

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