Innate Immunity Objectives
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Questions and Answers

What is a key characteristic of innate immunity?

  • It has a strong immune memory
  • It is the second line of defense against infection
  • It is hereditable and non-specific (correct)
  • It is acquired through exposure to pathogens

    • What is the primary function of the stratified and cornified epithelium in the skin?

  • To secrete defensins to combat bacteria
  • To provide a mechanical barrier against pathogens (correct)
  • To produce mucus to trap microbes
  • To produce lysozyme to degrade peptidoglycan

    • What is the role of the indigenous microbial flora in the skin?

  • It provides a mechanical barrier against pathogens
  • It competes with pathogens for space and resources (correct)
  • It produces lysozyme to degrade peptidoglycan
  • It secretes defensins to combat bacteria

    • What is the effect of acid pH on the growth of disease-producing bacteria?

    <p>It inhibits their growth</p> Signup and view all the answers

    What is the function of lysozyme in tears?

    <p>It degrades peptidoglycan in gram-positive microorganisms</p> Signup and view all the answers

    What is the role of fever in the innate immune response?

    <p>It is a component of the innate immune response that increases the body's temperature to combat infection</p> Signup and view all the answers

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