Difficulty: Medium
Average Score: 63%
Simulated
A nurse is checking a client's ventilator settings. The nurse should understand that positive end-expiratory pressure has which of the following purposes?
Correct answer
D
Rationale
Positive end-expiratory pressure (PEEP) prevents alveolar collapse by maintaining airway pressure at expiration, improving oxygenation. It does not affect tidal volume, inspiratory pressure, or ventilation rate.