Anti-extractable nuclear antigens are most likely associated with which of the following anti-nuclear antibody immunoflourescent patterns.
a. speckled
b. rim
c. diffuse
d. nucleolar - Answer A
The most common label in the direct fluorescent antibody technique is:
a. alkaline phosphatase...
BOC immunology Revision Exam
Questions Answered Correctly.
Anti-extractable nuclear antigens are most likely associated with which of the following anti-nuclear
antibody immunoflourescent patterns.
a. speckled
b. rim
c. diffuse
d. nucleolar - Answer A
The most common label in the direct fluorescent antibody technique is:
a. alkaline phosphatase
b. horeadish peroxidase
c. fluorescent isothicyanate
d. cacofluor white - Answer C
In chronic hepatitis, high titers of which of the following atnibodies are seen?
a. antimitochondrial
b. anti-smooth muscle
c. anti-DNA
d. anti-parietal - Answer B
Which of the following describes an antigen-antibdoy precipitation reaction of non-identity?
a. precipitin line cross, forming double spurs
b. precipitin line fuse, forming a single spur
c. no precipitin lines are formed
d. precipitin lines fuse, forming a single arc - Answer A
,A DPT vaccination is an example of:
a. active humoral mediated immunity
b. passive humoral mediate immunity
c. cell mediated immunity
d. immediate hypersensitivity - Answer A
Vaccines stimulate the host to produce antibodies against a specific antigen to prevent disease
What kind of antigen-antibody reaction would be expected if soluble antigen is added to homologous
antibody?
a. precipitaton
b. agglutination
c. complement fixation
d. hemagglutination - Answer A
Flocculation tests for syphilis detect the prescence of:
a. reagin antibody
b. antigen
c. hemolysin
d. Forssman antigen - Answer A
Floculation tests for syphillis use antigen composed of:
a. Treponema pallidum
b. reagin
c. cardiolipid and lecithin
d. charcol - Answer C
Macrophages produce which of the following proteins during antigen procesing?
, a. IL-1 and IL-6
b. y-interferon
c. IL-4, IL-5 AND IL-10
d. complement components C1 and C3 - Answer A
Substances that are antigenic only when coupled to a protein carrier are:
a. opsonins
b. haptens
c. adjuvants
d. allergens - Answer B
A serological test for syphillis that depends upon the detection of cardiolipid-lecithin-cholesterol antigen
is:
a. FTA-ABS
b. RPR
c. MHA-TP
d. TPI - Answer B
The serological test for syphillis recommended for detecting antibody in CSF is:
a. nontreponemal antibody
b. CSF-VDRL
c. FTA-ABS
d. MHA-TP - Answer B
What assay assay would confirm the immune status to Hepatitis B?
a. HBsAg
b. anti-HBs
c. IgM anti-HBcAg
d. hepattis C Ag - Answer B
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