Anatomical and Physiological Barriers

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Questions and Answers

Which of the following is NOT considered a component of the innate immune system?

  • Microorganisms (correct)
  • Skin
  • Mucous membranes
  • Epithelial cells

What is the function of tight junctions between epithelial cells?

  • To expel parasites
  • To facilitate cell turnover
  • To allow microbial invasion
  • To create an impermeable shield (correct)

Which cells contribute to the turnover of the skin and mucous membranes?

  • Parasites
  • Immune cells
  • Microorganisms
  • Epithelial cells (correct)

What happens to the intestinal epithelial cell turnover rate during parasitic infections?

<p>It accelerates (C)</p> Signup and view all the answers

What are the anatomical and physiological barriers to microbial invasion collectively referred to as?

<p>Epithelial barriers (C)</p> Signup and view all the answers

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