Why did the use of intermittent positive-pressure breathing decline in the 1980s?
a. Due to a lack of scientific evidence to support its use for delivering aerosolized medication
b. Due to its cost of implementation
c. Due to its complexity
d. Replaced by newer technology
ANS: A
The use of intermittent positive-pressure breathing declined significantly in the mid-1980s after a randomized, controlled trial revealed no benefit, compared to a simple small-volume nebulizer, in the treatment of patients with chronic obstructive pulmonary disease.
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