Which of the following devices are most commonly used to deliver aerosols by the inhalation route?
1. Small particle aerosol generator
2. Metered dose inhaler
3. Small volume nebulizer
4. Soft-mist inhaler
a. 1 and 3 only
b. 2 and 4 only
c. 1, 2, and 3 only
d. 2, 3, and 4 only
ANS: D
The most commonly used devices to administer orally or nasally inhaled aerosols are the metered dose inhaler, the small volume nebulizer, the dry powder inhaler, and the soft-mist inhaler.
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