Leukocyte Defense Mechanisms Quiz
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Questions and Answers

Which enzyme is mainly responsible for the most efficient bactericidal system?

  • Collagenase
  • Lactoferrin
  • Plasminogen activator
  • Myeloperoxidase (correct)

    • What are the primary constituents of neutrophilic extracellular traps (NETs)?

  • RNA, ribosomes, and lysosomes
  • Glycogen, lipids, and peroxisomes
  • Mitochondria, endoplasmic reticulum, and cytoskeleton
  • DNA, histones, and antimicrobial proteins (correct)

    • What is the main function of neutral proteases outside the cell?

  • Promoting cell division
  • Preparing the area for inflammation (correct)
  • Inhibiting phagocytosis
  • Directly killing pathogens

    • At low levels, what is the effect of ROS (Reactive Oxygen Species)?

    <p>Increasing chemokines, cytokines, and adhesion molecules</p> Signup and view all the answers

    What are the primary constituents of specific (secondary) granules in leukocytes?

    <p>Lysozyme, collagenase, and lactoferrin</p> Signup and view all the answers

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