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RRT Flashcards

7 cards from real RRT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which ventilator mode delivers a set tidal volume regardless of changes in lung compliance?

    Answer: Volume Control (VC)

    Volume Control ventilation delivers a preset tidal volume with each breath regardless of airway resistance or compliance changes.

  2. A patient's ABG shows pH 7.28, PaCO2 55 mmHg, HCO3 25 mEq/L. What is the primary disturbance?

    Answer: Respiratory acidosis

    Elevated PaCO2 with low pH and normal HCO3 indicates uncompensated respiratory acidosis.

  3. Which bronchodilator is classified as a short-acting beta-2 agonist (SABA)?

    Answer: Albuterol

    Albuterol is a SABA with onset of action within minutes and duration of 4-6 hours.

  4. The normal range for PaO2 in a healthy adult breathing room air at sea level is:

    Answer: 75-100 mmHg

    Normal PaO2 for a healthy adult at sea level breathing room air is 75-100 mmHg.

  5. Which of the following is the MOST appropriate initial FiO2 for a patient with COPD presenting with acute exacerbation and mild hypoxemia?

    Answer: 0.28 (28%)

    COPD patients should receive controlled low-flow oxygen (24-28%) to avoid suppressing hypoxic drive.

  6. Which parameter is used to assess auto-PEEP (intrinsic PEEP) in a mechanically ventilated patient?

    Answer: End-expiratory pause pressure

    An end-expiratory pause maneuver on the ventilator reveals auto-PEEP by measuring pressure trapped at end expiration.

  7. A patient is receiving mechanical ventilation with a plateau pressure of 34 cmH2O. According to ARDS Network guidelines, what is the recommended action?

    Answer: Reduce tidal volume

    ARDSNet guidelines recommend reducing tidal volume to keep plateau pressure ≤30 cmH2O to prevent ventilator-induced lung injury.