White Blood Cells and Immunity Online Lesson Activity
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Questions and Answers

What is the primary purpose of inflammation?

  • To release inflammatory cytokines
  • To attract neutrophils
  • To prevent host damage
  • To destroy antigens (correct)
  • Which substances help attract neutrophils to inflamed tissues?

  • Inflammatory cytokines (e.g., TNF and IL-10) (correct)
  • IL-10 and TGF-beta
  • Interleukin-6 and TNF
  • Interferon-alpha and IL-2
  • How do neutrophils enter tissue spaces during an inflammatory response?

  • By diapedesis (correct)
  • Through exocytosis
  • By apoptosis
  • Via endocytosis
  • Which adhesion molecules play a role in neutrophil attachment to endothelial cells during inflammation?

    <p>Selectins and ICAM-1</p> Signup and view all the answers

    What is the main function of macrophages during inflammation?

    <p>Repair damaged tissue</p> Signup and view all the answers

    Inflamed tissues release which substances to attract neutrophils?

    <p>IL-6 and IL-8</p> Signup and view all the answers

    Which cell type is responsible for the body's protective function and regulation?

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

    What is the main function of neutrophils and macrophages?

    <p>Defending against infections</p> Signup and view all the answers

    Which process involves the migration of granulocytes and monocytes to an injury site?

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

    What is the main purpose of cytokines in the immune response?

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

    Which cells are responsible for the process of phagocytosis?

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

    True or False: Inflammation can only be caused by external factors that are microbial in nature.

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

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