For patients receiving incentive spirometry, what is the minimum number of sustained maximal inspirations (SMIs) per hour that you would recommend?
a. 25 to 30
b. 15 to 20
c. 5 to 10
d. 1 to 2
ANS: C
An incentive spirometry regimen should probably aim to ensure a minimum of 5 to 10 SMI ma-neuvers each hour.
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