Question 1

What is the Arthus reaction?

Accepted Answer

A)  An autoimmune disorder.
B)  An acute response to a second injection of vaccines at the same site.
C)  A positive tuberculosis skin test.
D)  The lysis of RBC due to complement during an incorrect blood transfusion.
E)  The name given to skin wheals that occur during an allergy skin test.F) A) and D)
G) None of the above

Question 2

_____ involves determination of donor HLA antigens compared to those of the recipient's tissue.

Accepted Answer

The answer of _____ involves determination of donor HLA antigens...

Question 3

Bee sting venom is considered to be which type of allergen?

Accepted Answer

A)  Ingestant
B)  Inhalant
C)  Injectant
D)  Contactant
E)  None of the choices are correctF) A) and B)
G) A) and E)

Question 4

Which cells play the greatest role in allergic symptoms?

Accepted Answer

A)  T cells
B)  monocytes
C)  plasma cells
D)  mast cells
E)  eosinophilsF) None of the above
G) B) and E)

Question 5

Allergic _________ is a seasonal reaction to inhaled pollen or molds.

Accepted Answer

The answer of Allergic _________ is a seasonal reaction to...

Question 6

Erythroblastosis fetalis can be prevented by

Accepted Answer

A)  injecting the mother with antibodies against the Rh factor late in the pregnancy and after giving birth.
B)  treating the fetus with immune globulin.
C)  birth by cesarean section.
D)  treating the mother with RhoGAM early in the pregnancy.
E)  None of the choices are correct.F) A) and C)
G) B) and C)

Question 7

During graft rejection, cytotoxic T cells of the recipient recognize and respond to foreign class I MHC receptors on the grafted cells.

Accepted Answer

A) True 
 B)False

Question 8

The chemical mediator that causes prolonged bronchospasm, vascular permeability, and mucus secretion of asthmatic patients is

Accepted Answer

A)  prostaglandin.
B)  histamine.
C)  leukotriene.
D)  serotonin.
E)  platelet-activating factor.F) C) and D)
G) B) and E)

Question 9

Histamine causes all the following, except

Accepted Answer

A)  increased sensitivity to light.
B)  constriction of smooth muscle of bronchi and the intestine.
C)  relaxes vascular smooth muscle.
D)  wheal and flare reaction in skin.
E)  pruritis and headache.F) None of the above
G) D) and E)

Question 10

An _____ is any chronic local allergy.

Accepted Answer

The answer of An _____ is any chronic local allergy....

Question 11

The _____ dose of an allergen results in signs and symptoms of the allergy.

Accepted Answer

provocative

Question 12

Cancer cells can literally not displace normal blood cells and bone marrow.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is mismatched?

Accepted Answer

A)  Ingestant - nuts
B)  Inhalant - bee
C)  Injectant - vaccine
D)  Contactant - rubber
E)  Ingestant - food additiveF) A) and C)
G) B) and E) B

Question 14

The antigens to which allergic individuals are sensitive are termed _____.

Accepted Answer

The answer of The antigens to which allergic individuals are...

Question 15

The ___________ theory explains that during embryonic growth, some tissues are immunologically privileged.

Accepted Answer

The answer of The ___________ theory explains that during embryonic...

Question 16

The major categories of hypersensitivities that typically involve a B-cell immunoglobulin response is/are

Accepted Answer

A)  Type 1 only.
B)  Type 1 and Type 4.
C)  Type 4 only.
D)  Type 1, Type 2, Type 3.
E)  Type 1, Type 2, Type 3, and Type 4.F) A) and B)
G) A) and C) D

Question 17

_____ hypersensitivities involve soluble antigen with IgM or IgG forming complexes that can deposit in tissues.

Accepted Answer

The answer of _____ hypersensitivities involve soluble antigen with IgM...

Question 18

Epinephrine

Accepted Answer

A)  is an antihistamine.
B)  reverses constriction of airways.
C)  causes desensitization.
D)  inhibits the activity of lymphocytes.
E)  All of the choices are correct.F) B) and C)
G) C) and D)

Question 19

Food allergies include gastrointestinal symptoms and often hives.

Accepted Answer

A) True 
 B)False

Question 20

The DiGeorge syndrome is the result of

Accepted Answer

A)  autoantibodies.
B)  delayed hypersensitivity.
C)  congenital absence or immaturity of the thymus gland.
D)  failure of B cell development and maturity.
E)  a genetic defect in the development of both T cells and B cells.F) None of the above
G) B) and D)

Exam 16: Disorders in Immunity

What is the Arthus reaction?

Correct AnswerverifiedShow Answer

_____ involves determination of donor HLA antigens compared to those of the recipient's tissue.

Correct AnswerverifiedShow Answer

Bee sting venom is considered to be which type of allergen?

Correct AnswerverifiedShow Answer

Which cells play the greatest role in allergic symptoms?

Correct AnswerverifiedShow Answer

Allergic _________ is a seasonal reaction to inhaled pollen or molds.

Correct AnswerverifiedShow Answer

Erythroblastosis fetalis can be prevented by

Correct AnswerverifiedShow Answer

During graft rejection, cytotoxic T cells of the recipient recognize and respond to foreign class I MHC receptors on the grafted cells.

Correct AnswerverifiedShow Answer

The chemical mediator that causes prolonged bronchospasm, vascular permeability, and mucus secretion of asthmatic patients is

Correct AnswerverifiedShow Answer

Histamine causes all the following, except

Correct AnswerverifiedShow Answer

An _____ is any chronic local allergy.

Correct AnswerverifiedShow Answer

The _____ dose of an allergen results in signs and symptoms of the allergy.

Correct Answerverifiedprovocative

Cancer cells can literally not displace normal blood cells and bone marrow.

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

Correct AnswerverifiedB

The antigens to which allergic individuals are sensitive are termed _____.

Correct AnswerverifiedShow Answer

The ___________ theory explains that during embryonic growth, some tissues are immunologically privileged.

Correct AnswerverifiedShow Answer

The major categories of hypersensitivities that typically involve a B-cell immunoglobulin response is/are

Correct AnswerverifiedD

_____ hypersensitivities involve soluble antigen with IgM or IgG forming complexes that can deposit in tissues.

Correct AnswerverifiedShow Answer

Epinephrine

Correct AnswerverifiedShow Answer

Food allergies include gastrointestinal symptoms and often hives.

Correct AnswerverifiedShow Answer

The DiGeorge syndrome is the result of

Correct AnswerverifiedShow Answer

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provocative

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B

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D

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