T Cell-Mediated Diseases and Mechanisms of Tissue Injury Quiz
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Questions and Answers

Which type of T cells are responsible for directly killing host cells?

  • CD4+ T cells
  • CD8+ T cells (correct)
  • Both CD4+ and CD8+ T cells
  • Neither CD4+ nor CD8+ T cells
  • Which type of T cells produce cytokines, including IFN-γ, that may induce inflammation in some hypersensitivity diseases?

  • CD4+ T cells
  • CD8+ T cells (correct)
  • Neither CD4+ nor CD8+ T cells
  • Both CD4+ and CD8+ T cells
  • In which type of autoimmune diseases are both CD4+ T cells and CD8+ T cells specific for self antigens present?

  • T cell–mediated autoimmune diseases (correct)
  • Myobacterial infections
  • Hypersensitivity diseases
  • DTH reactions
  • Which cells are responsible for the recruitment of leukocytes, including neutrophils, in T cell-mediated diseases?

    <p>Th17 cells</p> Signup and view all the answers

    What is the principal macrophage-activating cytokine produced by Th1 cells?

    <p>Interferon-γ (IFN-γ)</p> Signup and view all the answers

    What is the typical reaction mediated by T cell cytokines called?

    <p>Delayed-type hypersensitivity (DTH)</p> Signup and view all the answers

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