Understanding Natural and Acquired Immunity
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main difference between natural (innate) immunity and acquired (adaptive) immunity?

  • Natural immunity is the first line of defense, while acquired immunity is the third line of defense.
  • Natural immunity is present at birth, while acquired immunity develops after birth. (correct)
  • Natural immunity is non-specific, while acquired immunity is specific.
  • Natural immunity produces a specific response, while acquired immunity produces a broad response.

    • What is the second line of defense in the immune system?

  • Antibody production
  • Activation of T-cells
  • Inflammatory responses and activation of phagocytes (correct)
  • Chemical and physical barriers

    • Which of the following is an example of passive acquired immunity?

  • Receiving an immunization
  • Contracting a disease
  • The body producing its own antibodies
  • Receiving an infusion of plasma (correct)

    • Why does increased age reduce the ability of the immune system to respond to infection?

    <p>The immune system becomes weaker and less responsive with age.</p> Signup and view all the answers

    What is the main reason women are twice as likely as men to have autoimmune disorders?

    <p>Women's immune systems are more sensitive than men's.</p> Signup and view all the answers

    What is the primary function of the chemical and physical barriers in the immune system?

    <p>To provide the first line of defense against pathogens.</p> Signup and view all the answers

    Which type of acquired immunity involves the body producing its own antibodies?

    <p>Active acquired immunity</p> Signup and view all the answers

    How does natural (innate) immunity differ from acquired (adaptive) immunity in terms of specificity?

    <p>Natural immunity is non-specific, while acquired immunity is specific.</p> Signup and view all the answers

    What is the main function of the inflammatory response in the immune system?

    <p>To activate phagocytes and other immune cells.</p> Signup and view all the answers

    How does the immune system's ability to respond to infection change with increased age?

    <p>It becomes weaker and less responsive.</p> Signup and view all the answers

    What is the primary reason the body responds slower to infection in the elderly?

    <p>Decreased number of phagocytes</p> Signup and view all the answers

    Which of the following is NOT a factor that can affect immune response?

    <p>Blood pressure</p> Signup and view all the answers

    What is the main purpose of lymph node assessment?

    <p>Both a and b</p> Signup and view all the answers

    What is the main difference between lymphadenopathy and lymphadenitis?

    <p>Lymphadenopathy is swelling of the lymph nodes, while lymphadenitis is an infection of the lymph nodes</p> Signup and view all the answers

    Which laboratory finding is most indicative of an allergic response?

    <p>Both a and b</p> Signup and view all the answers

    What is the main advantage of RAST testing compared to skin testing for allergies?

    <p>RAST testing is safer and does not risk causing anaphylactic reactions</p> Signup and view all the answers

    What is the most important precaution to take when preparing a patient for allergy testing?

    <p>All of the above</p> Signup and view all the answers

    Which type of hypersensitivity reaction occurs immediately upon exposure to an antigen?

    <p>Type I (Anaphylactic)</p> Signup and view all the answers

    What is the most important treatment for Type I (Anaphylactic) hypersensitivity reactions?

    <p>Prevention</p> Signup and view all the answers

    Which of the following is NOT a common factor that can affect immune response?

    <p>Stress</p> Signup and view all the answers

    Which of the following is the most dangerous allergic reaction?

    <p>Anaphylaxis</p> Signup and view all the answers

    What is the initial medication given for treating anaphylaxis?

    <p>Epinephrine</p> Signup and view all the answers

    Which of the following is a common side effect of antihistamines?

    <p>Sedation</p> Signup and view all the answers

    What type of allergic reaction is characterized by the involvement of T-cells and macrophages, rather than antibodies?

    <p>Type IV (Delayed or Cellular)</p> Signup and view all the answers

    Which of the following is an example of a Type V (Antibody-Mediated/Stimulated) allergic reaction?

    <p>Graves' disease</p> Signup and view all the answers

    What is the recommended management for a patient experiencing anaphylactic shock?

    <p>Begin CPR if cardiac arrest occurs, provide 100% oxygen, and administer epinephrine</p> Signup and view all the answers

    Which of the following is a common trigger for allergic reactions?

    <p>All of the above</p> Signup and view all the answers

    What is the action of epinephrine that makes it effective in treating anaphylaxis?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is a clinical manifestation of a Type IV (Delayed or Cellular) allergic reaction?

    <p>All of the above</p> Signup and view all the answers

    What is the recommended management for a Type IV (Delayed or Cellular) allergic reaction?

    <p>All of the above</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser