Retention of secretions can result in full or partial airway obstruction. Mucus plugging can result in which of the following? 1. Hypoxemia 2. Atelectasis 3. Shunting
a. 1, 2, and 3
b. 1 and 2 only
c. 1 and 3 only
d. 2 and 3 only
ANS: A
Full obstruction, or mucus plugging, can result in atelectasis and impaired oxygenation due to shunting.
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