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Questions and Answers
Which antibody reacts better with the Salmonella antigens in Widal test?
Which antibody reacts better with the Salmonella antigens in Widal test?
- Ig M (correct)
- Ig G
- Ig D
- Ig A
Which among these is known as Classical pathway C3 convertase?
Which among these is known as Classical pathway C3 convertase?
- C 14a2b (correct)
- C 14b2a
- Factor D
- Zymosan
Which one of these is the most accurate regarding Antibody molecules?
Which one of these is the most accurate regarding Antibody molecules?
- IgA exists in serum as a pentameric form
- Serum IgG comprises two subclasses, IgG1 & IgG2
- There are four isotypes of human Immunoglobulin
- Body produces more IgA per day than any other Isotype (correct)
False Negative results will be absent or minimal in which type of test?
False Negative results will be absent or minimal in which type of test?
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The secondary immune response is dominated by production of which immunoglobulin?
The secondary immune response is dominated by production of which immunoglobulin?
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Study Notes
Widal Test
- The antibody that reacts better with Salmonella antigens in the Widal test is H.
Complement System
- The Classical pathway C3 convertase is also known as C4b2a.
Antibody Molecules
- The antibody molecule that is most accurately described is IgG, which has two heavy chains and two light chains.
Diagnostic Tests
- False Negative results will be absent or minimal in a highly sensitive test.
Immune Response
- The secondary immune response is dominated by the production of IgG.
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