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An infant's ventilatory rate generally is too fast to sustain adequate tidal volume when the rate is over ________ breaths per minute

A) 60 B) 50 C) 40 D) 30

Which of the following are hazards or complication of postural drainage therapy? 1. Cardiac arrhythmias 2. Increased intracranial pressure 3. Acute hypotension 4. Pulmonary barotraumas

a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only