Administration of positive end expiratory pressure (PEEP) or continuous positive airway pressure (CPAP) is associated with which of the following benefits?
1. Helps maintain open alveoli.
2. Helps with alveoli stability.
3. Helps maintain fluid-filled alveoli open.
4. Ensures surfactant-depleted alveoli remain closed.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: B
Administration of PEEP with mechanical ventilation or to a spontaneously breathing patient in the form of CPAP helps to maintain open and stabilize small, collapsed, or fluid-filled alveoli.
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