To ensure delivery of the proper drug dosage with a metered dose inhaler, which of the following must be done before its use?
1. The canister valve stem should be cleaned with a pin.
2. The canister should be warmed to hand or body temperature.
3. The canister should be vigorously shaken.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: C
Health Professions
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