Question 1

The Arthus reaction is associated with the immune phenomenon of

Accepted Answer

A)  deposition of immune complexes in blood vessels.
B)  release of histamine from tissue basophils.
C)  destruction of body tissue by cytotoxic T lymphocytes.
D)  phagocytosis of IgG-coated erythrocytes.E) A) and B)
F) B) and D) A

Question 2

Cell-mediated immunity is responsible for

Accepted Answer

A)  contact sensitivity.
B)  elimination of tumor cells bearing neoantigens.
C)  rejection of foreign graft tissue.
D)  all of the above.E) None of the above
F) C) and D)

Question 3

-Asthma is an example of a _____________ hypersensitivity reaction.

Accepted Answer

A)  type I
B)  type II
C)  type III
D)  type IVE) A) and C)
F) B) and C) A

Question 4

Match the terms with the appropriate description.
-Delayed hypersensitivity

Accepted Answer

A)  Cell-mediated
B)  Antibody-mediated
C)  Dependent on the host's response to a subsequent exposure of antigen
D)  Not mediated by antigen-antibody interactionE) A) and D)
F) A) and B)

Question 5

Anaphylaxis is characterized by all the following statements except

Accepted Answer

A)  it can cause death caused by asphyxiation.
B)  there is massive release of histamine from mast cells and basophils.
C)  there was prior sensitization to an allergen.
D)  it is associated with a significant increase in eosinophils in the circulating blood.E) A) and B)
F) A) and C)

Question 6

The components involved in a positive skin test for tuberculosis (TB)  are

Accepted Answer

A)  T lymphocytes and macrophages.
B)  segmented neutrophils and monocytes.
C)  B lymphocytes and macrophages.
D)  IgE antibodies.E) B) and D)
F) B) and C) A

Question 7

All of the following are examples of Type II hypersensitivity reactions except

Accepted Answer

A)  Farmer's lung and the Arthus reaction.
B)  immediate transfusion reactions and Hemolytic disease of the newborn (HDN) .
C)  antibody-dependent, cell-mediated cytotoxicity involving NK cells or macrophages expressing Fc receptors.
D)  antireceptor antibodies such as those expressed in autoimmune thyroid disease.E) A) and C)
F) A) and D)

Question 8

Match the terms with the appropriate description.
-Immunization or sensitization

Accepted Answer

A)  Cell-mediated
B)  Antibody-mediated
C)  Dependent on the host's response to a subsequent exposure of antigen
D)  Not mediated by antigen-antibody interactionE) B) and C)
F) None of the above

Question 9

Type I hypersensitivity reactions are characterized by

Accepted Answer

A)  activation of complement.
B)  antigen cross-links with IgE on mast cells.
C)  being potentially fatal.
D)  Both B and C.E) A) and D)
F) C) and D)

Question 10

Match the terms with the appropriate description.
-Anaphylactoid reaction

Accepted Answer

A)  Cell-mediated
B)  Antibody-mediated
C)  Dependent on the host's response to a subsequent exposure of antigen
D)  Not mediated by antigen-antibody interactionE) A) and B)
F) A) and C)

Question 11

-Hemolytic disease of the newborn is an example of a ____________ hypersensitivity reaction.

Accepted Answer

A)  type I
B)  type II
C)  type III
D)  type IVE) A) and B)
F) All of the above

Question 12

Match the terms with the appropriate description.
-Immediate hypersensitivity

Accepted Answer

A)  Cell-mediated
B)  Antibody-mediated
C)  Dependent on the host's response to a subsequent exposure of antigen
D)  Not mediated by antigen-antibody interactionE) A) and B)
F) A) and C)

Question 13

Histamine can

Accepted Answer

A)  lead to constriction of bronchial smooth muscle.
B)  exert an anticoagulant effect.
C)  cause decreased capillary permeability.
D)  enhance opsonization in phagocytosis.E) A) and B)
F) A) and C)

Question 14

Immune complex reactions can

Accepted Answer

A)  suppress or augment the immune response.
B)  inhibit tumor cell destruction.
C)  be deposited in blood vessel walls, glomerular membranes, and other sites.
D)  All of the above.E) None of the above
F) B) and D)

Exam 25: Hypersensitivity Reactions

The Arthus reaction is associated with the immune phenomenon of

Correct Answer
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A

Cell-mediated immunity is responsible for

Correct Answer
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-Asthma is an example of a _____________ hypersensitivity reaction.

Correct Answer
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A

Match the terms with the appropriate description. -Delayed hypersensitivity

Correct Answer
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Anaphylaxis is characterized by all the following statements except

Correct Answer
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The components involved in a positive skin test for tuberculosis (TB) are

Correct Answer
verified
A

All of the following are examples of Type II hypersensitivity reactions except

Correct Answer
verified

Match the terms with the appropriate description. -Immunization or sensitization

Correct Answer
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Type I hypersensitivity reactions are characterized by

Correct Answer
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Match the terms with the appropriate description. -Anaphylactoid reaction

Correct Answer
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-Hemolytic disease of the newborn is an example of a ____________ hypersensitivity reaction.

Correct Answer
verified

Match the terms with the appropriate description. -Immediate hypersensitivity

Correct Answer
verified

Histamine can

Correct Answer
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Immune complex reactions can

Correct Answer
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Exam 25: Hypersensitivity Reactions

The Arthus reaction is associated with the immune phenomenon of

Correct AnswerverifiedA

Cell-mediated immunity is responsible for

Correct AnswerverifiedShow Answer

-Asthma is an example of a _____________ hypersensitivity reaction.

Correct AnswerverifiedA

Match the terms with the appropriate description. -Delayed hypersensitivity

Correct AnswerverifiedShow Answer

Anaphylaxis is characterized by all the following statements except

Correct AnswerverifiedShow Answer

The components involved in a positive skin test for tuberculosis (TB) are

Correct AnswerverifiedA

All of the following are examples of Type II hypersensitivity reactions except

Correct AnswerverifiedShow Answer

Match the terms with the appropriate description. -Immunization or sensitization

Correct AnswerverifiedShow Answer

Type I hypersensitivity reactions are characterized by

Correct AnswerverifiedShow Answer

Match the terms with the appropriate description. -Anaphylactoid reaction

Correct AnswerverifiedShow Answer

-Hemolytic disease of the newborn is an example of a ____________ hypersensitivity reaction.

Correct AnswerverifiedShow Answer

Match the terms with the appropriate description. -Immediate hypersensitivity

Correct AnswerverifiedShow Answer

Histamine can

Correct AnswerverifiedShow Answer

Immune complex reactions can

Correct AnswerverifiedShow Answer

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A

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