Natural Lines of Defense: Human Body's Protection Mechanisms
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Questions and Answers

What are the three lines of defense that the human body has to protect against pathogens?

  • Skin barrier, mucous membranes, and inflammation
  • Physical barriers, chemical responses, and immune defenses (correct)
  • Innate immunity, adaptive immunity, and inflammatory response
  • Structural design, circulatory response, and immunity

    • Which type of immune system responds quickly to pathogens through non-specific mechanisms like inflammation?

  • Innate immune system (correct)
  • Passive immunity
  • Active immunity
  • Adaptive immune system

    • What does the inflammatory response do to infected areas?

  • Stops the immune response
  • Brings immune cells to fight off infection (correct)
  • Removes immune cells
  • Reduces blood flow

    • How can active or passive immunity be acquired?

    <p>Through exposure to antigens or maternal transfer</p> Signup and view all the answers

    What is the key purpose of Standard Precautions in infection prevention?

    <p>To prevent cross-contamination and infection</p> Signup and view all the answers

    Which of the following is NOT one of the key practices of Standard Precautions?

    <p>Mass vaccination of the population</p> Signup and view all the answers

    What are the three types of Transmission-Based Precautions?

    <p>Contact, airborne, and droplet precautions</p> Signup and view all the answers

    Which part of the body acts as a physical barrier to prevent pathogens from entering?

    <p><strong>Skin</strong></p> Signup and view all the answers

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