Question 1

Which of the following is involved in specific immunity?

Accepted Answer

A)  mucus
B)  macrophages
C)  neutrophils
D)  lymphocytesE) A) and B)
F) A) and C)

Question 2

The population of T lymphocytes in the blood is larger than that of the B lymphocytes.

Accepted Answer

A) True 
 B)False

Question 3

Antigens are used to induce a passive immune response.

Accepted Answer

A) True 
 B)False

Question 4

Complement proteins facilitate opsonization.

Accepted Answer

A) True 
 B)False

Question 5

Mineralocorticoids stimulate immune suppression by inhibiting interleukin-1 production.

Accepted Answer

A) True 
 B)False

Question 6

What type of cell can destroy cancer cells without prior stimulation by tumor antigens?

Accepted Answer

A)  cytotoxic T lymphocytes
B)  natural killer cells
C)  B lymphocytes
D)  regulatory T lymphocytesE) B) and D)
F) C) and D)

Question 7

Immediate hypersensitivity is mediated by _________, while delayed hypersensitivity is mediated by ____________.

Accepted Answer

A)  T lymphocytes, antibodies
B)  histamine, leukotrienes
C)  antibodies, T lymphocytes
D)  histamine, haptensE) None of the above
F) A) and C)

Question 8

Which of the following is NOT an autoimmune disease?

Accepted Answer

A)  Hashimoto's thyroiditis
B)  pernicious anemia
C)  atopic dermatitis
D)  glomerulonephritisE) A) and C)
F) C) and D)

Question 9

The activation of resting T lymphocytes is prevented by

Accepted Answer

A)  inhibiting interleuken-1 secretion by macrophages.
B)  inhibiting interleuken-4 by helper T-lymphocytes.
C)  stimulating secretion of interferons by T-lymphocytes.
D)  decreasing the secretion of tumor necrosis factors by macrophages.E) C) and D)
F) A) and D)

Question 10

Small organic molecules that by themselves are NOT antigenic are called

Accepted Answer

A)  antibodies.
B)  haptens.
C)  interferons.
D)  complement.E) B) and C)
F) A) and D)

Question 11

Inhibiting the actions of helper T lymphocytes may impair humoral immunity.

Accepted Answer

A) True 
 B)False

Question 12

Immunoglobulins are synthesized and secreted by B lymphocytes.

Accepted Answer

A) True 
 B)False

Question 13

Immunological memory is responsible for the rapid secondary response to an antigen.

Accepted Answer

A) True 
 B)False

Question 14

Which cell combats vitally infected cells, transplants, and cancer cells?

Accepted Answer

A)  B lymphocyte
B)  T lymphocyteC) A) and B)
D) undefined

Question 15

Immunological competence develops

Accepted Answer

A)  during gestation.
B)  at the onset of puberty.
C)  at birth.
D)  shortly after birth.E) A) and C)
F) B) and C)

Question 16

Phagocytosis of pathogens would be enhanced if

Accepted Answer

A)  the number of monocytes in the blood increased.
B)  Kupffer cells were destroyed.
C)  the number of neutrophils in the blood increased.
D)  The number of monocytes or neutrophils in the blood increased.E) C) and D)
F) A) and D)

Question 17

What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?

Accepted Answer

A)  interleukin-2
B)  interleukin-1
C)  interleukin-4
D)  G-CSFE) B) and D)
F) B) and C)

Question 18

Increasing interleuken-3 levels would limit the development of mast cells.

Accepted Answer

A) True 
 B)False

Question 19

Antibody diversity can be explained by

Accepted Answer

A)  the fact that many different genes encode for the different antibody chains.
B)  mutations occur in germ cells.
C)  mutation of pathogens.
D)  clonal production of plasma cells.E) All of the above
F) None of the above

Question 20

The ___________ immune response occurs faster, is stronger, and lasts longer than the __________ immune response.

Accepted Answer

A)  secondary, primary
B)  secondary, tertiary
C)  tertiary, primary
D)  primary, secondaryE) A) and D)
F) A) and B)

Exam 15: The Immune System

The population of T lymphocytes in the blood is larger than that of the B lymphocytes.

Correct AnswerverifiedShow Answer

Complement proteins facilitate opsonization.

Correct AnswerverifiedShow Answer

The activation of resting T lymphocytes is prevented by

Correct AnswerverifiedShow Answer

What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?

Correct AnswerverifiedShow Answer

Small organic molecules that by themselves are NOT antigenic are called

Correct AnswerverifiedShow Answer

The ___________ immune response occurs faster, is stronger, and lasts longer than the __________ immune response.

Correct AnswerverifiedShow Answer

What type of cell can destroy cancer cells without prior stimulation by tumor antigens?

Correct AnswerverifiedShow Answer

Phagocytosis of pathogens would be enhanced if

Correct AnswerverifiedShow Answer

Immunological competence develops

Correct AnswerverifiedShow Answer

Which of the following is involved in specific immunity?

Correct AnswerverifiedShow Answer

Increasing interleuken-3 levels would limit the development of mast cells.

Correct AnswerverifiedShow Answer

Immunological memory is responsible for the rapid secondary response to an antigen.

Correct AnswerverifiedShow Answer

Which cell combats vitally infected cells, transplants, and cancer cells?

Correct AnswerverifiedShow Answer

Immediate hypersensitivity is mediated by _________, while delayed hypersensitivity is mediated by ____________.

Correct AnswerverifiedShow Answer

Inhibiting the actions of helper T lymphocytes may impair humoral immunity.

Correct AnswerverifiedShow Answer

Antigens are used to induce a passive immune response.

Correct AnswerverifiedShow Answer

Antibody diversity can be explained by

Correct AnswerverifiedShow Answer

Immunoglobulins are synthesized and secreted by B lymphocytes.

Correct AnswerverifiedShow Answer

Which of the following is NOT an autoimmune disease?

Correct AnswerverifiedShow Answer

Mineralocorticoids stimulate immune suppression by inhibiting interleukin-1 production.

Correct AnswerverifiedShow Answer

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The _ immune response occurs faster, is stronger, and lasts longer than the immune response.

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Immediate hypersensitivity is mediated by _, while delayed hypersensitivity is mediated by ____.

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