Question 1

_____ lymphocytes function in humoral immunity, while _____ lymphocytes function in cell-mediated immunity.

Accepted Answer

The answer of _____ lymphocytes function in humoral immunity, while...

Question 2

During what process are hypochlorite and hydrogen peroxide produced to destroy bacteria and inhibit viral replication?

Accepted Answer

A)  inflammation
B)  phagocytosis
C)  interferon production
D)  complement production
E)  lysozyme productionF) B) and C)
G) A) and E)

Question 3

Which is mismatched?

Accepted Answer

A)  interferon alpha and beta - inhibits viral replication
B)  interleukin-2 - stimulates T-cell mitosis and B-cell antibody production
C)  serotonin - causes smooth muscle contraction
D)  prostaglandins - activate eosinophils and B-cells
E)  tumor necrosis factor - increases chemotaxis and phagocytosisF) B) and D)
G) None of the above

Question 4

Dermacidin is an antimicrobic peptide secreted by skin cells, which breaks down bacterial membranes and causes them to lyse.

Accepted Answer

A) True 
 B)False

Question 5

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 6

When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into _____.

Accepted Answer

The answer of When monocytes migrate from the blood out...

Question 7

Hemopoiesis is the

Accepted Answer

A)  loss of blood due to hemorrhaging.
B)  production of only red blood cells.
C)  production of white blood cells, red blood cells, and platelets.
D)  plugging of broken vessels to stop bleeding.
E)  migration of white blood cells from the blood out to the tissues.F) C) and E)
G) C) and D)

Question 8

Components of the first line of defense include all the following, except

Accepted Answer

A)  the tough cell sheet of the upper epidermis of the skin.
B)  nasal hairs.
C)  flushing action of tears and blinking.
D)  flushing action of urine.
E)  phagocytic white blood cells.F) A) and C)
G) B) and E)

Question 9

Which of the following is an example of GALT?

Accepted Answer

A)  appendix
B)  lymph nodes
C)  spleen
D)  tonsils
E)  thymus glandF) A) and B)
G) C) and D)

Question 10

Histamine, serotonin, and bradykinin are all

Accepted Answer

A)  vasoactive mediators.
B)  mediators of B-cell activity.
C)  mediators of T-cell activity.
D)  mediators that increase chemotaxis.
E)  fever inducers.F) A) and E)
G) C) and E)

Question 11

Elimination and destruction systems present in the phagolysosome include all the following, except

Accepted Answer

A)  bromine.
B)  hydroxyl free radical.
C)  nitric oxide.
D)  lactic acid.
E)  lysozyme.F) B) and D)
G) C) and D)

Question 12

All of the following are correct about lymph, except

Accepted Answer

A)  its composition is similar to plasma.
B)  it travels in vessels similar to blood vessels.
C)  it is made mostly of water.
D)  it transports numerous white blood cells.
E)  it is transported through the body by the same pump as blood, i.e., the heart.F) A) and D)
G) B) and D)

Question 13

The most numerous WBCs, that have multilobed nuclei and are very phagocytic are

Accepted Answer

A)  basophils.
B)  eosinophils.
C)  neutrophils.
D)  monocytes.
E)  lymphocytes.F) B) and D)
G) C) and D)

Question 14

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 15

The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is performed by

Accepted Answer

A)  basophils.
B)  eosinophils.
C)  neutrophils.
D)  macrophages.
E)  lymphocytes.F) B) and E)
G) A) and D)

Question 16

The membrane attack stage of the complement cascade involves

Accepted Answer

A)  initiation of the cascade.
B)  production of inflammatory cytokines.
C)  the assembly of a ring-shaped protein that forms holes in bacterial cell membranes and virus envelopes.
D)  cleaving of C3 to yield C3a and C3b.
E)  C1q binds to surface receptors on a membrane.F) C) and E)
G) B) and E)

Question 17

Joan's inflamed and painful joints are likely due to which of the following chemicals?

Accepted Answer

A)  gamma interferon
B)  interleukin-5
C)  prostaglandins
D)  histamine
E)  platelet-activating factorF) B) and D)
G) None of the above

Question 18

All of the following are types of agranulocytes because they do not have prominent granules in their cytoplasm when stained, except

Accepted Answer

A)  T-cells.
B)  B-cells.
C)  monocytes.
D)  lymphocytes.
E)  basophils.F) C) and D)
G) B) and D)

Question 19

Neutrophils, eosinophils, and basophils are called _____ because they have prominent cytoplasmic granules that, in a stained blood smear, appear with identifying, characteristic colors.

Accepted Answer

The answer of Neutrophils, eosinophils, and basophils are called _____...

Question 20

The key phagocytic cells of the body are the

Accepted Answer

A)  neutrophils and macrophages.
B)  basophils and neutrophils.
C)  eosinophils and macrophages.
D)  macrophages and monocytes.
E)  natural killer cells.F) A) and C)
G) All of the above

Exam 14: An Introduction to Host Defenses and Innate Immunities

The membrane attack stage of the complement cascade involves

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All of the following are types of agranulocytes because they do not have prominent granules in their cytoplasm when stained, except

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Neutrophils, eosinophils, and basophils are called _____ because they have prominent cytoplasmic granules that, in a stained blood smear, appear with identifying, characteristic colors.

Correct AnswerverifiedShow Answer

Which of the following is an example of GALT?

Correct AnswerverifiedShow Answer

Endotoxin is an exogenous pyrogen.

Correct AnswerverifiedShow Answer

Joan's inflamed and painful joints are likely due to which of the following chemicals?

Correct AnswerverifiedShow Answer

During what process are hypochlorite and hydrogen peroxide produced to destroy bacteria and inhibit viral replication?

Correct AnswerverifiedShow Answer

Elimination and destruction systems present in the phagolysosome include all the following, except

Correct AnswerverifiedShow Answer

Histamine, serotonin, and bradykinin are all

Correct AnswerverifiedShow Answer

The most numerous WBCs, that have multilobed nuclei and are very phagocytic are

Correct AnswerverifiedShow Answer

Certain complement components stimulate inflammation and phagocytosis.

Correct AnswerverifiedShow Answer

Hemopoiesis is the

Correct AnswerverifiedShow Answer

All of the following are correct about lymph, except

Correct AnswerverifiedShow Answer

The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is performed by

Correct AnswerverifiedShow Answer

Dermacidin is an antimicrobic peptide secreted by skin cells, which breaks down bacterial membranes and causes them to lyse.

Correct AnswerverifiedShow Answer

The key phagocytic cells of the body are the

Correct AnswerverifiedShow Answer

_____ lymphocytes function in humoral immunity, while _____ lymphocytes function in cell-mediated immunity.

Correct AnswerverifiedShow Answer

Components of the first line of defense include all the following, except

Correct AnswerverifiedShow Answer

When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into _____.

Correct AnswerverifiedShow Answer

Which is mismatched?

Correct AnswerverifiedShow Answer

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_ lymphocytes function in humoral immunity, while _ lymphocytes function in cell-mediated immunity.

Correct Answer
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