Negative Selection and Autoimmunity Quiz
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Questions and Answers

How does negative selection contribute to preventing autoimmune responses?

  • Activation of regulatory T cells
  • Production of pro-inflammatory cytokines
  • Elimination of self-reactive T cells (correct)
  • Promotion of autoimmune T cell reactions

    • What is the primary role of negative selection in the context of autoimmune responses?

  • Enhancing production of pro-inflammatory cytokines
  • Inducing autoimmune T cell reactions
  • Preventing activation of self-reactive T cells (correct)
  • Suppressing regulatory T cell function

    • Which process is directly impacted by negative selection to prevent autoimmune responses?

  • Inhibition of regulatory T cell activation
  • Elimination of self-reactive T cells (correct)
  • Stimulation of pro-inflammatory cytokines
  • Promotion of autoimmune T cell reactions

    • What is the primary function of MHC class I molecules in antigen presentation?

    <p>Present antigens from intracellular pathogens to CD8 positive T cells (C)</p> Signup and view all the answers

    What distinguishes the antigen presentation function of MHC class II molecules?

    <p>Present antigens from intracellular pathogens to CD4 positive T cells (B)</p> Signup and view all the answers

    In the context of antigen presentation, which type of T cells do both MHC class I and MHC class II molecules present antigens to?

    <p>CD4 positive T cells (C)</p> Signup and view all the answers

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