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CIULLA; IMMUNOSEROLOGY EXAM QUESTIONS AND ANSWERS
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CIULLA; IMMUNOSEROLOGY EXAMQUESTIONS AND ANSWERS
A. Antibody is available more quickly - ANSWER A major advantage of
passive immunization compared to active immunization is that:
A. Antibody is available more quickly
B Antibody persists for the life of the recipient
C. IgM is the predominant antibody class provided
D. Oral administration can be used
B. Avidity - ANSWER The strength with which a multivalent antibody
binds a multivalent antigen is termed:
A. Affinity
B. Avidity
C. Reactivity
D. Valence
C. The antibody levels produced are higher in the secondary immune
response. - ANSWER How does the secondary humoral immune
response differ from the primary response?
A. The lag phase (the time between exposure to immunogen and
production of antibody) is longer in the secondary immune response
B. IgM is the predominant antibody class produced in the secondary
immune response.
C. The antibody levels produced are higher in the secondary immune
response.
D. Cytotoxic T lymphocytes play an important role in the secondary
response.
B. C5a - ANSWER After activation of the complement system,
leukocytes and macrophages are attracted to the site of complement
activation by:
A. C1
,B. C5a
C. C8
D. IgM
A. Artificial active - ANSWER The type of immunity that follows the
injection of an immunogen is termed:
A. Artificial active
B. Natural active
C. Artificial passive
D. Innate
C. Artificial passive - ANSWER The type of immunity that follows the
injection of antibodies synthesized by another individual or animal is
termed:
A. Artificial active
B. Natural adaptive
C. Artificial passive
D. Natural passive
D. Phagocytosis by polymorphonuclear cells - ANSWER Innate immunity
includes:
A. Anamnestic response
B. Antibody production
C. Cytotoxic T cell activity
D. Phagocytosis by polymorphonuclear cells
B. A prozone reaction - ANSWER The agglutination pattern shown in
Color Plate 23 was observed while performing an antibody titration. this
agglutination pattern is and example of:
A. A prezone reaction
B. A prozone reaction
C. A postzone reaction
D. Incomplete complement inactivation
, C. Nuclear antigen - ANSWER The antibody most frequently present in
systemic lupus erythematosus is directed against:
A. Surface antigens of bone marrow stem cells
B. Surface antigens of renal cells
C. Nuclear antigen
D. Myelin
C. Complexed with charcoal - ANSWER The rapid plasma reagin assay
for syphilis does not need to be read microscopically because the
antigen is:
A. Cardiolipin
B. Complexed with latex
C. Complexed with charcoal
D. Inactivated bacterial cells
B. Flocculation reaction - ANSWER The veneral disease research
laboratory (VDRL) test for syphilis is classified as a(n):
A. Agglutination reaction
B. Flocculation reaction
C. Hemagglutination reaction
D. Precipitation reaction
D. Systemic lupus erythematosus - ANSWER One cause of a false-
positive VDRL test is:
A. Brucellosis
B. Treponema pallidum infection
C. Rocky mountain spotted fever
D. Systemic lupus erythematosus
C. Epitope - ANSWER The portion of an antigen that binds to an
antibody or T cell receptor is called a(n):
A. Allergin
B. Avidin
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