Respiratory Therapist

Category - Patient Evaluations and Recommendations

What airway pressure is the highest pressure at the end of a constant flow inspiration?
  1. Airway resistance
  2. Peak inspiratory pressure
  3. Pressure gradient
  4. Plateau pressure
Explanation
Answer: B - Peak inspiratory pressure is the highest measured pressure by a ventilator at the end of a constant flow inspiration.

The difference between peak and plateau pressures will be the patient’s airway resistance but only if the inspiratory flow is constant.
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