Term
Immunologic responses recognized as disease are:
a) immediate hypersensitivities
b) delayed hypersensitivities
c) both a and b
d) neither a nor b |
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Definition
| c - both a and b - immediate hypersensitivities and delayed hypersensitivities |
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Term
Which is NOT characteristic of hypersensitivity?
a) specificity
b) immunologic mechanisms
c) inappropriate or injurious response
d) prior contact unnecessary to elicit a response |
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Definition
| d - prior contact unnecessary to elicit a response |
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Term
When the body produces antibodies against its own tissue, the condition is called:
a) a hypersensitivity
b) an antibody reaction
c) a cell-mediated immunity
d) an autoimmune disease
e) an opsonization |
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Definition
| d - an autoimmune disease |
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Term
Which hypersensitivity is caused by poison ivy?
a) type I
b) type II
c) type III
d) type IV |
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Definition
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Term
The mechanism of hypersensitivity for drugs is:
a) type I
b) type II
c) type III
d) type IV
e) a, b and c |
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Definition
| e - a, b, and c - type I, type II, type III |
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Term
Which is NOT an autoimmune disease?
a) multiple sclerosis
b) pernicious anemia
c) transfusion reaction
d) ulcerative colitis
e) Goodpasture disease |
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Definition
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Term
Damage in systemic lupis erythematosus (SLE) results from the formation of antigen/antibody complexes mediated by:
a) IgE
b) mast cells
c) the cell-mediated immune system
d) the humoral immune system and complement
e) lymphokines |
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Definition
| d - the humoral immune system and complement |
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Term
The classical complement cascade begins with:
a) antigen/antibody complexes binding to a component of the complement system
b) opsonization
c) chemotaxis
d) cytolysis |
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Definition
| a - antigen/antibody complexes binding to a component of the complement system |
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Term
Immunodeficiencies occur because of impaired function of:
a) B and T cells
b) phagocytic cells
c) complement
d) all of the above
e) both a and c |
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Definition
| d - all of the above - B and T cells, phagocytic cells, complement |
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Term
An x-linked recessive disorder of immune deficiency involves a deficit of:
a) IgA
b) IgD
c) IgE
d) IgG
e) IgM |
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Definition
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Term
Deficiencies in B cell immune responses are suspected when unusual or recurrent severe infections are caused by:
a) fungi
b) yeasts
c) encapsulated bacteria
d) a, b, and c |
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Definition
| c - encapsulated bacteria |
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Term
Secondary or acquired immunodeficiencies:
a) develop after birth
b) may be caused by viral infections
c) may develop following immunosuppressive therapy
d) both a and c
e) a b, and c |
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Definition
| e - a, b, and c - develop after birth, may be caused by viral infections, may develop following immunosuppressive therapy |
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Term
Rejection of a kidney transplant occurred after 2 weeks. The reaction occurred because of:
a) immune response against recipient HLA antigens
b) immune response against donor HLA antigens
c) a type IV hypersensitivity
d) both a and b
e) both b and c |
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Definition
| e - both b and c - immune response against donor HLA antigens, a type IV hypersensitivity |
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Term
A positive HIV antibody test signifies that the:
a) individual is infected with HIV and likely so for life
b) asymptomatic individual will absolutely progress to AIDS
c) individual is not viremic
d) sexually active individual was infected the previous weekend |
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Definition
| a - individual is infected with HIV and likely so for life |
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Term
Which is INCORRECT regarding AIDS?
a) antibody usually appears within 4 to 7 weeks after infection
b) the patient will be anit-HIV
c) the patient will likely experience opportunistic infections and cancer
d) the patient will have increased numbers of CD4+ cells or helper T cells |
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Definition
| d - the patient will have increased numbers of CD4+ cells or helper T cells |
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