Respiratory System Defense Mechanisms Quiz
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Questions and Answers

What is the purpose of airway clearance therapy (ACT)?

  • To prevent airway inflammation and infections
  • To improve lung capacity and oxygenation
  • To reduce respiratory rate and heart rate
  • To aid secretion mobilization and expectoration, and to mitigate complications associated with secretion retention (correct)
  • What impairs the efficacy of the mucociliary escalator?

  • Aging, tobacco use, environmental exposures, and disorders such as bronchiectasis (correct)
  • High intake of vitamin C and antioxidants
  • Regular exercise and physical activity
  • Consumption of hot beverages and spicy foods
  • How much airway secretions do healthy individuals produce daily?

  • 200–300mL
  • 500–600mL
  • 10–100mL (correct)
  • 5–10mL
  • What decreases the ability to cough effectively, leading to secretion retention?

    <p>Neurodegenerative conditions</p> Signup and view all the answers

    Who is involved in recommending, performing, and educating patients and families on airway clearance therapy (ACT)?

    <p>Respiratory therapists, physical therapists, nurses, and others</p> Signup and view all the answers

    What is the purpose of airway clearance therapy (ACT)?

    <p>Aid secretion mobilization and expectoration, and mitigate complications associated with secretion retention</p> Signup and view all the answers

    What factors impair the efficacy of the mucociliary escalator?

    <p>Aging, tobacco use, environmental exposures, and disorders such as bronchiectasis</p> Signup and view all the answers

    Who is involved in performing airway clearance therapy (ACT)?

    <p>Respiratory therapists, physical therapists, and nurses</p> Signup and view all the answers

    What is the centripetal movement responsible for clearing airway secretions?

    <p>Mucociliary escalator</p> Signup and view all the answers

    What decreases the ability to cough effectively, leading to secretion retention?

    <p>Neurodegenerative conditions</p> Signup and view all the answers

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