Medical Oxygen Masks Classification Quiz
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Questions and Answers

What is the consequence of too short exhalation time during spontaneous breathing?

  • Decrease in end-expiratory pressure
  • Increase in end-expiratory pressure (correct)
  • Increase in inspiratory pressures
  • Decrease in inspiratory pressures

    • In ARDS, how can the I:E ratio be modified to improve ventilation?

  • Increased to 1:1
  • Decreased to 2:1
  • Changed to 1:3 (correct)
  • Varied based on tidal volume

    • What is the primary purpose of using the lowest possible FiO2 to meet oxygenation goals?

  • Prevent airway injury
  • Avoid parenchymal injury
  • Avoid hypercapnia
  • Prevent absorption atelectasis (correct)

    • Which ventilation mode allows the patient to control the respiratory rate and influence inspiration parameters?

    <p>Pressure Support Ventilation</p> Signup and view all the answers

    What characteristic defines Synchronized Intermittent Mandatory Ventilation (SIMV)?

    <p>Additional support given if patient breathes over set rate</p> Signup and view all the answers

    What effect does insufficient peak flow rate have on a patient?

    <p>Dyspnea and low peak inspiratory pressures</p> Signup and view all the answers

    What is the normal I:E ratio during spontaneous breathing for normal patients?

    <p>1:2</p> Signup and view all the answers

    Why should the fraction of inspired oxygen (FiO2) be minimized in mechanical ventilation?

    <p>To avoid accentuation of hypercapnia</p> Signup and view all the answers

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