Nobel Prize in Physiology and Medicine: Phagocytosis
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Questions and Answers

Who was awarded a Nobel Prize in Physiology and Medicine in 1908?

  • Metchnikoff
  • Ilya Mechnikov (correct)
  • Mechnikov
  • Elie Metchnikoff

    • What is the process by which phagocytes are chemically attracted to the site of infection?

  • Adherence
  • Opsonization
  • Ingestion
  • Chemotaxis (correct)

    • What is formed when a phagosome fuses with lysosomes?

  • Phagosome
  • Phagolysosome (correct)
  • Lysosome
  • Lysophagosome

    • What is the purpose of opsonins in the phagocytic process?

    <p>To coat the microbe and mark it for destruction</p> Signup and view all the answers

    What is the final step in the phagocytic process?

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

    What type of cell is responsible for protecting the body by ingesting foreign particles?

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

    What is the function of lysozyme?

    <p>To break down gram-positive cell walls</p> Signup and view all the answers

    What is the pH range of the skin?

    <p>Between 3 and 5</p> Signup and view all the answers

    What is the function of transferrins?

    <p>To inhibit bacterial growth by reducing available iron</p> Signup and view all the answers

    What is the purpose of gastritis and ulcers?

    <p>To neutralize stomach acid and grow in the stomach</p> Signup and view all the answers

    What is the function of sebum?

    <p>To form a protective layer over the skin</p> Signup and view all the answers

    What is the primary function of phagocytosis?

    <p>To engulf microorganisms and particles</p> Signup and view all the answers

    What is the function of normal microbiota?

    <p>To help protect the body by competing with potential pathogens</p> Signup and view all the answers

    What type of phagocytic cell originates from monocytes that leave the blood and enters infected tissue?

    <p>Wandering macrophages</p> Signup and view all the answers

    Who discovered phagocytes in 1882?

    <p>Ilya Metchnikov</p> Signup and view all the answers

    What is required for phagocytosis to continue?

    <p>Attachment of the phagocyte to the microbe</p> Signup and view all the answers

    What is the role of fixed macrophages?

    <p>To phagocytize within a specific organ</p> Signup and view all the answers

    What is the term for the process of phagocytosis derived from?

    <p>Greek words 'eat' and 'cell'</p> Signup and view all the answers

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