Effector Mechanisms of Humoral Immunity
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Questions and Answers

Which antibody is primarily produced in mucosal lymphoid tissues and plays a vital role in preventing colonization of microbes in the respiratory or gastrointestinal tract?

  • IgG
  • IgA (correct)
  • IgM
  • IgE

    • Where are antibodies produced in the body?

  • Peripheral lymphoid organs (correct)
  • Muscular system
  • Excretory system
  • Central nervous system

    • What is the principal class of antibody produced in mucosal tissues?

  • IgE
  • IgA (correct)
  • IgM
  • IgG

    • Where are intestinal mucosal B cells located?

    <p>In the lamina propria (C)</p> Signup and view all the answers

    What is the function of the poly-Ig receptor in the transport of IgA?

    <p>It transports IgA across the epithelial barrier (C)</p> Signup and view all the answers

    What is the role of IgA antibodies in the gut?

    <p>To block the entry of commensal bacteria (B)</p> Signup and view all the answers

    What is the function of C1 inhibitor (C1 INH) in complement activation?

    <p>It prevents the assembly of the C1 complex (D)</p> Signup and view all the answers

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