Dendritic Cells Properties Quiz
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Questions and Answers

What is the primary function of dendritic cells?

  • Killing self-reactive T cells
  • Trapping invading microbes
  • Producing antibodies
  • Presenting antigens to T cells (correct)
  • Which type of dendritic cell is 100 times more potent in antigen processing than Macrophage and B cells?

  • Myeloid DCs (correct)
  • Immature DCs
  • Lymphoid DCs
  • Mature DCs
  • What is the fate of immature dendritic cells if they do not encounter antigens?

  • They become mature DCs
  • They migrate to lymphoid organs
  • They die in a few days (correct)
  • They produce antibodies
  • Which sub-population of dendritic cells is specialized in activating naive T cells and triggering a primary immune response?

    <p>Mature DCs</p> Signup and view all the answers

    Which sub-population of dendritic cells is responsible for producing Interleukin 12 (IL-12) to activate Th1 cells?

    <p>DC1</p> Signup and view all the answers

    Study Notes

    Dendritic Cells Overview

    • Dendritic cells play a crucial role in the immune system by processing and presenting antigens to T cells, thus initiating adaptive immune responses.
    • They act as key linkers between the innate and adaptive immunity.

    Potency in Antigen Processing

    • Myeloid dendritic cells are approximately 100 times more effective in antigen processing compared to macrophages and B cells, making them essential for immune activation.

    Fate of Immature Dendritic Cells

    • Immature dendritic cells that do not encounter antigens undergo apoptosis, preventing the potential activation of immune responses in the absence of infection or injury.

    Activation of Naive T Cells

    • Conventional dendritic cells are specialized in activating naive T cells and are critical for triggering a primary immune response, ensuring the body can respond to new pathogens effectively.

    Production of Interleukin 12 (IL-12)

    • Plasmacytoid dendritic cells are responsible for producing Interleukin 12 (IL-12), which plays a pivotal role in activating Th1 cells, contributing to the immune response against intracellular pathogens.

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    Description

    Test your knowledge of dendritic cells with this quiz that covers their functions, antigen processing potency, sub-populations, and role in activating naive T cells.

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