Understanding Humoral Immunity
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Questions and Answers

Which cells are responsible for producing antibodies in humoral immunity?

  • Macrophages
  • Plasma cells
  • B lymphocytes (correct)
  • T cells
  • Which defense mechanism is the principal defense against microbes with capsules rich in polysaccharides and lipids?

  • Humoral immunity (correct)
  • Cell-mediated immunity
  • Innate immunity
  • Passive immunity
  • What is the function of antibodies in humoral immunity?

  • To secrete antigens
  • To neutralize and eliminate extracellular microbes (correct)
  • To stimulate the differentiation of B lymphocytes
  • To activate T cells
  • Which process leads to the production of antibodies with improved capacity to bind to and neutralize microbes and their toxins?

    <p>Affinity maturation</p> Signup and view all the answers

    Which type of antigens can stimulate antibody production without the involvement of helper T cells?

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

    Which cells play an important role in B cell activation by protein antigens?

    <p>Helper T cells</p> Signup and view all the answers

    Which type of antigens stimulate the generation of long-lived plasma cells and memory B cells?

    <p>T-dependent antigens</p> Signup and view all the answers

    Which cells respond largely to blood-borne polysaccharide and lipid antigens?

    <p>B-1 cells</p> Signup and view all the answers

    Which cells respond to multivalent antigens in the mucosal tissues and peritoneum?

    <p>B-1 cells</p> Signup and view all the answers

    Which cells make predominantly T-independent IgM responses?

    <p>Follicular B cells</p> Signup and view all the answers

    Which cells produce antibodies called natural antibodies?

    <p>B-1 cells</p> Signup and view all the answers

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