Immune System Defenses Quiz
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Questions and Answers

What is the primary function of the immune system?

  • To regulate body temperature
  • To help digest food
  • To produce energy for the body
  • To defend against infections (correct)

    • Which cells play a role in the third line of defense of the immune system?

  • White blood cells
  • Platelets
  • B-cells and T-cells (correct)
  • Red blood cells

    • What are the three primary lines of defense of the immune system?

  • Physical and chemical barriers, psychological barriers, and physiological barriers
  • Electrical and magnetic barriers, chemical barriers, and biological barriers
  • Anatomic barriers, physiologic barriers, and genetic barriers
  • Physical and chemical barriers, target specific antigens, and inflammatory response (correct)

    • What type of immunity comprises anatomic barriers like skin and mucous membranes?

    <p>Innate immunity</p> Signup and view all the answers

    What types of substances does the immune system work to recognize and eliminate?

    <p>Antigens and foreign invaders</p> Signup and view all the answers

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