How Much Do You Know About Mast Cells and Their Functions?
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Questions and Answers

Which of the following is NOT a way that mast cells can be activated?

  • Activation by an antibody-dependent mechanism
  • Activation by components of the complement system
  • Activation by phagocytosis (correct)
  • Binding to TLRs
  • Which of the following is NOT a component of mast cell granules?

  • Proteolytic enzymes
  • Lipid mediators
  • Cytokines (correct)
  • Vasoactive amines
  • What is the role of mast cells in protecting against pathogens?

  • They produce antibodies against pathogens
  • They release vasoactive amines that cause vasodilation
  • They release cytokines that stimulate inflammation
  • They directly kill pathogens (correct)
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