Which of the following airway clearance techniques uses a pneumatic device to deliver compressed gas mini-bursts at sub-tidal volumes to the airway at frequencies of 100 to 250/min?
A. intrapulmonary percussive ventilation
B. autogenic drainage
C. high-frequency chest wall compression device
D. positive expiratory pressure breathing
Answer: A. intrapulmonary percussive ventilation
Health Professions
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