To ensure delivery of the proper drug dosage with a metered dose ...

[Jipu 123]

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

Question 2

Approximately what range of drug dosages can be provided with each firing of a metered dose inhaler?
 
  a. 5 to 50 mg
  b. 50 to 100 mg
  c. 5 to 50 mcg
  d. 50 mcg to 5 mg

[asware1]

Answer to Question 1

ANS: C

Answer to Question 2

ANS: D
Approximately 60 to 80 by weight of this spray consists of the propellant, with only ap-proximately 1 being active drug (50 mcg to 5 mg, depending on the drug formulation).