The Innate Immune System

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Questions and Answers

Which immune system response is dominant in plants, fungi, insects, and primitive multicellular organisms?

  • Innate immune system (correct)
  • Adaptive immune system
  • Both innate and adaptive immune systems
  • None of the above

What is the major function of the innate immune system?

  • Produce chemical factors
  • Identify and remove foreign substances
  • Activate the adaptive immune system
  • All of the above (correct)

How does the innate immune system recruit immune cells to infection sites?

  • By producing chemical factors (correct)
  • By acting as a physical and chemical barrier
  • By activating the complement cascade
  • By presenting antigens

What does the innate immune system activate to identify bacteria and promote clearance of antibody complexes or dead cells?

<p>Complement cascade (D)</p> Signup and view all the answers

Which immune system response acts as a physical and chemical barrier to infectious agents?

<p>Innate immune system (A)</p> Signup and view all the answers

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