Innate vs Adaptive Immunity Quiz
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Questions and Answers

Which type of immunity refers to defense mechanisms that are present before infection and specifically recognizes microbes?

  • Secondary immunity
  • Innate immunity (correct)
  • Primary immunity
  • Adaptive immunity

    • What is the first line of defense in the immune response?

  • Dendritic cells
  • Phagocytic cells
  • Natural killer cells
  • Epithelial barriers (correct)

    • Which immune response is stimulated by microbes and develops after exposure to them?

  • Adaptive immunity (correct)
  • Native immunity
  • Natural immunity
  • Innate immunity

    • What is the main function of Toll-like receptors (TLRs) in the immune response?

    <p>Synthesis of cytokines</p> Signup and view all the answers

    Which component of the immune response stimulates the production of type I interferons, the antiviral cytokines?

    <p>Interferon regulatory factors (IRFs)</p> Signup and view all the answers

    Which plasma proteins are part of innate immunity and play a role in defense mechanisms?

    <p>Mannose-binding lectin and C-reactive protein</p> Signup and view all the answers

    Where are RIG-like receptors (RLRs) located?

    <p>In the cytosol of most cell types</p> Signup and view all the answers

    What do G protein–coupled receptors on neutrophils, macrophages, and most other types of leukocytes recognize?

    <p>Short bacterial peptides containing N-formylmethionyl residues</p> Signup and view all the answers

    What is the function of Mannose receptors in the immune system?

    <p>Recognize microbial sugars and induce phagocytosis</p> Signup and view all the answers

    Which type of immunity protects against extracellular microbes and their toxins?

    <p>Humoral immunity mediated by B lymphocytes</p> Signup and view all the answers

    What class of lymphocytes express highly specific receptors for a wide variety of substances called antigens?

    <p>T lymphocytes</p> Signup and view all the answers

    Where are C-type lectin receptors (CLRs) expressed?

    <p>On the plasma membrane of macrophages and dendritic cells</p> Signup and view all the answers

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