B Cell Differentiation & Antibody Production Quiz
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Questions and Answers

Which cells contribute to the physiologic decline of the humoral immune response?

  • Memory cells
  • Antibody-secreting cells
  • B cells (correct)
  • T cells

    • What is the function of FcγRIIB receptor expressed on B cells?

  • Binds to antigen part of the immune complex
  • Activates B cell responses
  • Delivers inhibitory signals to shut off antigen receptor–induced signals (correct)
  • Promotes antibody production

    • What is the purpose of antibody feedback?

  • To promote B cell differentiation
  • To activate memory cells
  • To terminate humoral immune responses once sufficient quantities of IgG antibodies have been produced (correct)
  • To enhance humoral immune responses

    • Which type of antibodies form immune complexes with residual antigen?

    <p>IgG antibodies</p> Signup and view all the answers

    What do the Fc receptors on B cells recognize in the immune complexes?

    <p>Epitopes of the antigen</p> Signup and view all the answers

    What is the function of the cytoplasmic domain of B cell FcγRIIB?

    <p>To bind enzymes that inhibit antigen receptor–mediated B cell activation</p> Signup and view all the answers

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