Question 1

Characteristics of adaptive defenses include

Accepted Answer

A)  versatility.
B)  tolerance.
C)  memory.
D)  specificity.
E)  All of the answers are correct.F) C) and E)
G) B) and D)

Question 2

Lymphatic tissues are connective tissues dominated by

Accepted Answer

A)  mast cells.
B)  plasma cells.
C)  fibroblasts.
D)  monocytes.
E)  lymphocytes.F) A) and B)
G) C) and D)

Question 3

Cytotoxic T cells can attack target cells with which of the following chemical weapons?

Accepted Answer

A)  secrete strong acid
B)  secrete organic solvent
C)  secrete free radicals
D)  secrete a cytokine that triggers apoptosis
E)  secrete mutant proteins that get incorporated into the target's DNAF) A) and E)
G) B) and C)

Question 4

All of the following are true of the primary response of humoral immunity except that

Accepted Answer

A)  it depends on antigen triggering the appropriate B cell.
B)  it requires B cell differentiation into plasma cells.
C)  it is delayed by the memory cell stage.
D)  circulating antibodies undergo a gradual,sustained rise.
E)  it peaks 1 to 2 weeks after the initial exposure.F) A) and E)
G) A) and D)

Question 5

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Accepted Answer

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

Question 6

In order for a lymphocyte to respond to an antigen,the antigen must

Accepted Answer

A)  be phagocytized by the lymphocyte.
B)  enter the cytoplasm of the lymphocyte.
C)  bind to the DNA of the lymphocyte.
D)  bind to specific receptors on the lymphocyte surface.
E)  depolarize the lymphocyte.F) A) and E)
G) None of the above

Question 7

Histamine increases blood flow and vascular permeability.This would account for all of the following changes that occur during inflammation except

Accepted Answer

A)  redness of the inflamed tissue.
B)  chemotaxis of phagocytes.
C)  heat of the inflamed tissue.
D)  movement of defense proteins and cells into the interstitial space.
E)  swelling of the inflamed tissue.F) B) and E)
G) A) and D)

Question 8

What is MALT? What role does it play in the body's defenses?

Accepted Answer

MALT is an acronym for mucosa-associated...

Question 9

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Accepted Answer

A)  B
B)  T
C)  plasma
D)  nodule
E)  NKF) A) and D)
G) B) and D)

Question 10

Lymphatic vessels commonly occur in association with

Accepted Answer

A)  hyaline cartilage.
B)  blood vessels.
C)  adipose tissue.
D)  sensory nerve endings.
E)  both blood vessels and adipose tissue.F) A) and B)
G) A) and C)

Question 11

Stress can affect the immune response in all of the following ways except by

Accepted Answer

A)  inhibiting glucocorticoid release.
B)  depressing the inflammatory response.
C)  reducing the number of phagocytes.
D)  inhibiting interleukin secretion.
E)  increasing the level of cortisol.F) C) and E)
G) A) and B)

Question 12

The only antibodies that normally cross the placenta are

Accepted Answer

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

Question 13

Various types of macrophages are derived from

Accepted Answer

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

Question 14

The thoracic duct drains lymph from all of the following regions except the

Accepted Answer

A)  right knee.
B)  right breast.
C)  left arm and shoulder.
D)  pelvic viscera.
E)  right knee and the right breast.F) B) and E)
G) A) and B)

Question 15

The phagocytic antigen-presenting cells belong to the ________ group.

Accepted Answer

A)  tumor-suppressing
B)  complement
C)  interferon
D)  monocyte-macrophage
E)  lymphaticF) A) and D)
G) A) and C)

Question 16

Cells that help regulate the immune response are ________ cells.

Accepted Answer

A)  B
B)  plasma
C)  helper T
D)  cytotoxic T
E)  NKF) B) and C)
G) All of the above

Question 17

T cells and B cells can be activated only by

Accepted Answer

A)  pathogens.
B)  interleukins,interferons,and colony-stimulating factors.
C)  cells infected with viruses,bacteria,or cancer cells.
D)  exposure to a specific antigen at a specific site in a plasma membrane.
E)  disease-causing agents.F) B) and E)
G) A) and D)

Question 18

Which of the following is not a characteristic of AIDS?

Accepted Answer

A)  has killed at least 1/2 million people in the United States
B)  is spread most often through sexual contact
C)  attacks the T helper (CD4) cells
D)  is declining worldwide
E)  almost always eventually fatalF) B) and D)
G) All of the above

Question 19

Which class of cells is particularly abundant in the red pulp of the spleen?

Accepted Answer

A)  T lymphocytes.
B)  free and fixed macrophages.
C)  B lymphocytes.
D)  neutrophils.
E)  Natural Killer cells.F) B) and D)
G) All of the above

Question 20

The thoracic duct originates from an expanded chamber called the

Accepted Answer

A)  thoracic sinus.
B)  cisterna chyli.
C)  thoracic trunk.
D)  hilum.
E)  thoracic ventricle.F) All of the above
G) B) and C)

Exam 22: The Lymphatic System and Immunity

All of the following are true of the primary response of humoral immunity except that

Correct AnswerverifiedShow Answer

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Correct AnswerverifiedShow Answer

The thoracic duct drains lymph from all of the following regions except the

Correct AnswerverifiedShow Answer

The phagocytic antigen-presenting cells belong to the ________ group.

Correct AnswerverifiedShow Answer

Histamine increases blood flow and vascular permeability.This would account for all of the following changes that occur during inflammation except

Correct AnswerverifiedShow Answer

Cells that help regulate the immune response are ________ cells.

Correct AnswerverifiedShow Answer

The thoracic duct originates from an expanded chamber called the

Correct AnswerverifiedShow Answer

The cell that dominates the deep cortical region of a lymph node is the ________ cell.

Correct AnswerverifiedShow Answer

Lymphatic tissues are connective tissues dominated by

Correct AnswerverifiedShow Answer

Characteristics of adaptive defenses include

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The only antibodies that normally cross the placenta are

Correct AnswerverifiedShow Answer

Various types of macrophages are derived from

Correct AnswerverifiedShow Answer

Stress can affect the immune response in all of the following ways except by

Correct AnswerverifiedShow Answer

T cells and B cells can be activated only by

Correct AnswerverifiedShow Answer

What is MALT? What role does it play in the body's defenses?

Correct AnswerverifiedMALT is an acronym for mucosa-associated...View AnswerShow Answer

Which of the following is not a characteristic of AIDS?

Correct AnswerverifiedShow Answer

In order for a lymphocyte to respond to an antigen,the antigen must

Correct AnswerverifiedShow Answer

Lymphatic vessels commonly occur in association with

Correct AnswerverifiedShow Answer

Cytotoxic T cells can attack target cells with which of the following chemical weapons?

Correct AnswerverifiedShow Answer

Which class of cells is particularly abundant in the red pulp of the spleen?

Correct AnswerverifiedShow Answer

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MALT is an acronym for mucosa-associated...
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