The pressure at which large numbers of alveoli become overinflated in a patient with acute res-piratory distress syndrome (ARDS) is located on the static pressure-volume curve at which of the following?
a. Upper inflection point
b. Lower inflection point
c. Peak inspiratory pressure
d. Between the lower and upper inflection points
ANS: A
The upper inflection point indicates a point at which large numbers of alveoli are becoming over-inflated.
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