In performing the sustained maximal inspiration maneuver during incentive spirometry, the pa-tient should be instructed to sustain the breath for at least how long?
a. 10 to 15 sec
b. 5 to 10 sec
c. 3 to 5 sec
d. 1 to 2 sec
ANS: B
Instruct the patient to sustain his or her maximal inspiratory volume for 5 to 10 sec.
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