Question 1

Allergic contact dermatitis is due to

Accepted Answer

A)   activated macrophages.
B)   sensitized T cells.
C)   IgE antibodies.
D)   IgM antibodies.
E)   IgG antibodies.

Question 2

All stem cells are derived from embryonic stem cells.

Accepted Answer

A) True 
 B)False

Question 3

Cancer is similar to an infectious disease in that it is due to a failure of the bodyʹs defenses.

Accepted Answer

A) True 
 B)False

Question 4

Hemolytic disease of the newborn can result from an

Accepted Answer

A)   Rh- mother and an A fetus.
B)   Rh+ mother with an Rh- fetus.
C)   Rh- mother with an Rh+ fetus.
D)   AB mother with an O fetus.
E)   AB mother with a B fetus.

Question 5

Vaccines against HIV have proven to be very effective in halting the spread of disease.

Accepted Answer

A) True 
 B)False

Question 6

All of the following pertain to serological tests EXCEPT

Accepted Answer

A)   they are used to test for specific HLAs on lymphocytes.
B)   they can be used to diagnose various diseases.
C)   they can detect antibodies but not antigens.
D)   they are used to detect compatible tissues for transplantation.
E)   reactions can be detected by uptake of trypan blue by damaged cells.

Question 7

All of the following are considered examples of type I hypersensitivity EXCEPT

Accepted Answer

A)   dust allergies.
B)   pollen allergies.
C)   transplant rejections.
D)   asthma.
E)   penicillin allergic reactions.

Question 8

Worldwide, the primary method of transmission of HIV is

Accepted Answer

A)   blood transfusions.
B)   nosocomial.
C)   heterosexual intercourse.
D)   homosexual intercourse.
E)   intravenous drug use.

Question 9

When testing donated blood for compatibility you would find a person with O type blood

Accepted Answer

A)   will lack plasma antibodies to A and B type antigens.
B)   has O type antigens on their red blood cells.
C)   will have anti-O antibodies in their plasma.
D)   lacks HLA and MHC antigens.
E)   will lack A and B red blood cell antigens.

Question 10

All of the following are reasons why an HIV vaccine has not been developed EXCEPT

Accepted Answer

A)   there is no known animal model of natural immunity for HIV infection.
B)   vaccines are not effective against viral infections.
C)   small, inexpensive animals which could be used for HIV vaccine research are not available.
D)   HIV has a high mutation rate so one vaccination would not be effective to treat the world-wide pandemic.
E)   use of a weakened virus would potentially transmit the infection.

Question 11

Which antibodies will be in the serum of a person with blood type B, Rh+?

Accepted Answer

A)   anti-A, anti-B, anti-Rh
B)   anti-A
C)   anti-A, anti-Rh
D)   anti-B
E)   anti-B, anti-Rh

Question 12

The chemical mediators of anaphylaxis are

Accepted Answer

A)   antigen-antibody complexes.
B)   the proteins of the complement system.
C)   antigens.
D)   found in basophils and mast cells.
E)   antibodies.

Question 13

All of the following lead to drug-induced thrombocytopenic purpura. Which occurs first?

Accepted Answer

A)   Antibodies and complement react with platelets.
B)   Platelets are destroyed.
C)   Purpura occurs on the skin.
D)   Antibodies against haptens are formed.
E)   Drug binds to platelets.

Question 14

A positive tuberculin skin test is an example of

Accepted Answer

A)   delayed cell-mediated immunity.
B)   autoimmunity.
C)   innate immunity.
D)   psoriasis.
E)   acute contact dermatitis.

Question 15

Which of the following may result from systemic anaphylaxis?

Accepted Answer

A)   immunodeficiency
B)   shock
C)   asthma
D)   hay fever
E)   hives

Question 16

Individuals who do not express CCR5 are highly resistant to infection by HIV.

Accepted Answer

A) True 
 B)False

Question 17

HIV attack of CD4+ T cells causes suppression of both cell-mediated and humoral immune responses.

Accepted Answer

A) True 
 B)False

Question 18

A hypersensitivity reaction refers to immune responses to antigens beyond what would be normal.

Accepted Answer

A) True 
 B)False

Question 19

All of the following are true of hypersensitivity EXCEPT

Accepted Answer

A)   it is due to an altered immune response.
B)   it requires previous exposure to an antigen.
C)   it is synonymous with ʺallergy.ʺ
D)   it occurs when an individual is exposed to an allergen for the first time.
E)   it occurs in the presence of an antigen.

Question 20

Table 19.1   Donor  Recipient  1. AB,Rh−AB,Rh+ 2. A,Rh+A+,Rh− 3. A,Rh+O,Rh+ 4. B, Rh−B,Rh+ 5. B, Rh+A,Rh+\begin{array} { | l | l | } \hline 	ext { Donor } & 	ext { Recipient } \\hline 	ext { 1. } \mathrm { AB } , \mathrm { Rh } ^ { - } & \mathrm { AB } , \mathrm { Rh } ^ { + } \\hline 	ext { 2. } \mathrm { A } , \mathrm { Rh } ^ { + } & \mathrm { A } ^ { + } , \mathrm { Rh } ^ { - } \\hline 	ext { 3. } \mathrm { A } , \mathrm { Rh } ^ { + } & \mathrm { O } , \mathrm { Rh } ^ { + } \\hline 	ext { 4. B, } \mathrm { Rh } ^ { - } & \mathrm { B } , \mathrm { Rh } ^ { + } \\hline 	ext { 5. B, } \mathrm { Rh } ^ { + } & \mathrm { A } , \mathrm { Rh } ^ { + } \\hline\end{array} Donor  1. AB,Rh− 2. A,Rh+ 3. A,Rh+ 4. B, Rh− 5. B, Rh+​ Recipient AB,Rh+A+,Rh−O,Rh+B,Rh+A,Rh+​​  Which blood transfusions in Table 19.1 are incompatible?

Accepted Answer

A)   1, 2, and 3
B)   2 and 5
C)   3 and 4
D)   1 and 2
E)   2, 3, and 5

Exam 19: Disorders Associated With the Immune System

All of the following are considered examples of type I hypersensitivity EXCEPT

Correct Answer
verified

Allergic contact dermatitis is due to

Correct Answer
verified

Worldwide, the primary method of transmission of HIV is

Correct Answer
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All stem cells are derived from embryonic stem cells.

Correct Answer
verified

The chemical mediators of anaphylaxis are

Correct Answer
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HIV attack of CD4+ T cells causes suppression of both cell-mediated and humoral immune responses.

Correct Answer
verified

Correct Answer
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Which antibodies will be in the serum of a person with blood type B, Rh+?

Correct Answer
verified

All of the following pertain to serological tests EXCEPT

Correct Answer
verified

Vaccines against HIV have proven to be very effective in halting the spread of disease.

Correct Answer
verified

All of the following lead to drug-induced thrombocytopenic purpura. Which occurs first?

Correct Answer
verified

Cancer is similar to an infectious disease in that it is due to a failure of the bodyʹs defenses.

Correct Answer
verified

Hemolytic disease of the newborn can result from an

Correct Answer
verified

A positive tuberculin skin test is an example of

Correct Answer
verified

Individuals who do not express CCR5 are highly resistant to infection by HIV.

Correct Answer
verified

All of the following are true of hypersensitivity EXCEPT

Correct Answer
verified

When testing donated blood for compatibility you would find a person with O type blood

Correct Answer
verified

All of the following are reasons why an HIV vaccine has not been developed EXCEPT

Correct Answer
verified

A hypersensitivity reaction refers to immune responses to antigens beyond what would be normal.

Correct Answer
verified

Which of the following may result from systemic anaphylaxis?

Correct Answer
verified

Exam 19: Disorders Associated With the Immune System

All of the following are considered examples of type I hypersensitivity EXCEPT

Correct AnswerverifiedShow Answer

Allergic contact dermatitis is due to

Correct AnswerverifiedShow Answer

Worldwide, the primary method of transmission of HIV is

Correct AnswerverifiedShow Answer

All stem cells are derived from embryonic stem cells.

Correct AnswerverifiedShow Answer

The chemical mediators of anaphylaxis are

Correct AnswerverifiedShow Answer

HIV attack of CD4+ T cells causes suppression of both cell-mediated and humoral immune responses.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which antibodies will be in the serum of a person with blood type B, Rh+?

Correct AnswerverifiedShow Answer

All of the following pertain to serological tests EXCEPT

Correct AnswerverifiedShow Answer

Vaccines against HIV have proven to be very effective in halting the spread of disease.

Correct AnswerverifiedShow Answer

All of the following lead to drug-induced thrombocytopenic purpura. Which occurs first?

Correct AnswerverifiedShow Answer

Cancer is similar to an infectious disease in that it is due to a failure of the bodyʹs defenses.

Correct AnswerverifiedShow Answer

Hemolytic disease of the newborn can result from an

Correct AnswerverifiedShow Answer

A positive tuberculin skin test is an example of

Correct AnswerverifiedShow Answer

Individuals who do not express CCR5 are highly resistant to infection by HIV.

Correct AnswerverifiedShow Answer

All of the following are true of hypersensitivity EXCEPT

Correct AnswerverifiedShow Answer

When testing donated blood for compatibility you would find a person with O type blood

Correct AnswerverifiedShow Answer

All of the following are reasons why an HIV vaccine has not been developed EXCEPT

Correct AnswerverifiedShow Answer

A hypersensitivity reaction refers to immune responses to antigens beyond what would be normal.

Correct AnswerverifiedShow Answer

Which of the following may result from systemic anaphylaxis?

Correct AnswerverifiedShow Answer

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