Bronchial hygiene therapy for patients with Duchenne muscular dystrophy or spinal muscular at-rophy is most appropriate with which of the following?
a. Intermittent positive-pressure breathing
b. Incentive spirometry
c. Mechanical insufflation-exsufflation
d. Positive expiratory pressure
ANS: C
The purpose of a mechanical insufflation-exsufflation device is to replace or augment cough clearance in individuals with respiratory muscle weakness or paralysis (e.g., neuromuscular dis-ease).
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