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Immunology BOC Questions 1-53

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1.
1 point
Which test has the greatest sensitivity for antigen detection?
2.
1 point
Rheumatoid factors are defined as:
3.
1 point
Cholesterol is added to the antigen used in flocculation tests for syphilis to:
4.
1 point
High titers of antimicrosomal antibodies are most often found in:
5.
1 point
Sera to be tested for IFA-ANA 6 days after drawing is best stored at:
6.
1 point
A consistently and repeatedly negative IFA-ANA is:
7.
1 point
Anti-extractable nuclear antigens are most likely associated with which of the following?
8.
1 point
Anti-RNA antibodies are often present in individuals having an anti-nuclear antibody immunofluorescent pattern that is:
9.
1 point
Soluble immune complexes are formed under the condition of:
10.
1 point
Positive rheumatoid factor is generally associated with:
11.
1 point
In the interpretation of agglutination tests for febrile diseases, which of the following is of the greatest diagnostic importance?
12.
1 point
Rheumatoid factor in a patient's serum may cause a false:
13.
1 point
In the indirect immunofluorescence method of antibody detection, the labeled antibody is:
14.
1 point
To make a presumptive diagnosis of rheumatoid arthritis, which of the following qualitative methods is most sensitive?
15.
1 point
Excess antigen in precipitation gel reaction will:
16.
1 point
The result of an anti-nuclear antibody test was a titer of 1:320 with a peripheral pattern. Which of the following sets of results best correlate with these results?
17.
1 point
The most common label in direct fluorescent antibody technique (DFA) is:
18.
1 point
Antibodies directed at native DNA are most frequently associated with which pattern of fluorescence in the IFA-ANA test?
19.
1 point
Avidity may be defined as the:
20.
1 point
Which of the following describes an antigen-antibody precipitation reaction of non-identity?
21.
1 point
A substrate is first exposed to a patient's serum, then after washing, anti-human immunoglobulin labeled with a fluorochrome is added. The procedure described is:
22.
1 point
In chronic active hepatitis, high titers of which of the following antibodies are seen?
23.
1 point
The strength of a visible reaction is known as:
24.
1 point
The visible serological reaction between soluble antigen and its specific antibody is:
25.
1 point
Rheumatoid factor reacts with:
26.
1 point
Antinuclear antibody tests are performed to help diagnose:
27.
1 point
Systemic lupus erythematosus patients often have which of the following test results?
28.
1 point
In an anti-nuclear antibody indirect immunofluorescence test, a sample of patient serum shows a positive, speckled patter. Which would be the most appropriate additional test to perform?
29.
1 point
Which of the following describes an antigen-antibody reaction?
30.
1 point
Rheumatoid factors are immunoglobulins with specificity for allotypic determinants located on the:
31.
1 point
The technologist observes apparent homogenous staining of the nucleus of interphase cells while performing an IFA-ANA, as well as staining of the chromosomes in mitotic cells. This result is:
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