Antibody Molecules and Isotypes Quiz
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Questions and Answers

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?

  • C 14a2b (correct)
  • C 14b2a
  • Factor D
  • Zymosan
  • 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?

    <p>Highly sensitive test</p> Signup and view all the answers

    The secondary immune response is dominated by production of which immunoglobulin?

    <p>Ig G</p> Signup and view all the answers

    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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    Description

    Test your knowledge of antibody molecules and their isotypes with this quiz. From the presence of J chain in specific immunoglobulins to their reactions with Salmonella antigens, this quiz will challenge your understanding of antibody diversity and functions.

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