Which of the following factors should be used in properly selecting an O2 delivery device?
1. Knowledge of general performance of the device
2. Physician's preference
3. Individual capabilities of the equipment
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only
ANS: D
Proper device selection requires in-depth knowledge of both the general performance characteris-tics of these systems and the individual capabilities.
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