Antibody Classes and Functions Quiz
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Questions and Answers

Which antibody has the capability to form a lattice and agglutinate pathogens effectively?

  • IgM (correct)
  • IgD
  • IgE
  • IgA
  • In the absence of allergen, which antibody binds to Fc receptors on mast cells?

  • IgM
  • IgA
  • IgD
  • IgE (correct)
  • Which antibody is found in higher levels in the serum of allergy sufferers?

  • IgM
  • IgA
  • IgE (correct)
  • IgD
  • Which antibody component can bind to mucus and retain antigens on the mucus surface?

    <p>Secretory component of IgA</p> Signup and view all the answers

    Which antibody is expressed on the surface of newly formed B cells along with IgM?

    <p>IgD</p> Signup and view all the answers

    Which of the following subclasses of IgG has the highest concentration in serum?

    <p>IgG1</p> Signup and view all the answers

    Which antibody class is primarily responsible for mucosal membrane immunity in the gastrointestinal and respiratory tracts?

    <p>IgA</p> Signup and view all the answers

    How is the IgA dimer able to enter the gut lumen?

    <p>It binds to the secretory component receptor on the basolateral surface of epithelial cells and is transported across.</p> Signup and view all the answers

    What is the primary function of IgA in the gut lumen?

    <p>Agglutinating and regulating intestinal bacteria populations</p> Signup and view all the answers

    Which of the following functions is associated with IgG antibodies?

    <p>Opsonization of pathogens, making them more attractive to phagocytic cells</p> Signup and view all the answers

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