Immune System: Innate and Adaptive Responses Quiz
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Questions and Answers

Which enzyme found in saliva helps destroy bacteria by digesting their cell walls?

  • Lipase
  • Pepsin
  • Lysozyme (correct)
  • Amylase

    • What role does the acidic environment of the stomach play as a barrier to pathogens?

  • It promotes microbial growth
  • It is fatal to many pathogens (correct)
  • It helps in nutrient absorption
  • It aids in mucus production

    • In which part of the body does the mucus layer trap microbes and debris as a protective mechanism?

  • Liver
  • Intestines
  • Eyes (correct)
  • Heart

    • How are potentially contaminated mucus removed from the upper respiratory tract?

    <p>By moving it upwards through ciliated epithelial cells to the mouth</p> Signup and view all the answers

    Why have multiple barrier mechanisms evolved in the body to protect against pathogens in vital areas?

    <p>To provide redundant protection from pathogens</p> Signup and view all the answers

    What is the primary function of the innate immune response?

    <p>It is relatively rapid and nonspecific in destroying pathogens.</p> Signup and view all the answers

    Which statement accurately describes barrier defenses in the body?

    <p>Barrier defenses are continuously working to protect against a broad range of pathogens.</p> Signup and view all the answers

    How does the skin act as a barrier to prevent the entrance of microorganisms into the body?

    <p>By covering itself with dead, keratinized epithelium that is too dry for bacteria to grow.</p> Signup and view all the answers

    What is a key feature of the adaptive immune response?

    <p>It is slower in its development but highly specific in attacking pathogens.</p> Signup and view all the answers

    What is one way in which sweat contributes to the barrier defense against pathogens?

    <p>By carrying away bacteria and other pathogens from the skin.</p> Signup and view all the answers

    Why are barrier defenses considered part of the body's most basic defense mechanisms?

    <p>Because they work continuously to protect against a wide range of pathogens.</p> Signup and view all the answers

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