Immune Response to Allografts and Dendritic Cells Quiz
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Questions and Answers

Which cells transport alloan- tigens from the graft to draining lymph nodes?

  • B cells
  • Dendritic cells (correct)
  • Macrophages
  • T cells

    • What is the process called when naïve T cells in the recipient recognize donor allogeneic MHC molecules on graft-derived dendritic cells?

  • Direct recognition (correct)
  • Cross-presentation
  • Allorecognition
  • Indirect recognition

    • How are donor alloantigens processed and presented to T cells in the indirect allorecognition pathway?

  • By B cells
  • By recipient APCs (correct)
  • By dendritic cells
  • By macrophages

    • What is the main role of alloreactive CD4+ T cells in graft rejection?

    <p>Secreting cytokines that injure the graft</p> Signup and view all the answers

    What is the mixed lymphocyte reaction (MLR) used for?

    <p>Assaying the responses of T cells to alloantigens</p> Signup and view all the answers

    Which type of T cell recognition is considered direct allorecognition?

    <p>Recognition of allogeneic MHC molecules by T lymphocytes</p> Signup and view all the answers

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