The Humoral Immune Response to Helminthic Parasites and IgE Antibodies Quiz
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Questions and Answers

Which cells are activated by IgE antibodies to provide defense against helminthic parasites?

  • B cells and T cells
  • Helper T cells and B cells
  • Neutrophils and macrophages
  • Eosinophils and mast cells (correct)

    • What is the role of IgE antibodies in the humoral immune response to helminths?

  • IgE antibodies attract neutrophils and macrophages to kill the worms
  • IgE antibodies bind to the worms and promote attachment of eosinophils and mast cells (correct)
  • IgE antibodies promote phagocytosis of the worms
  • IgE antibodies directly kill the worms

    • Which cytokine is produced by Th2 helper T cells in response to helminths?

  • Interleukin-2 (IL-2)
  • Interferon-gamma (IFN-gamma)
  • Interleukin-5 (IL-5) (correct)
  • Tumor necrosis factor-alpha (TNF-alpha)

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