Which of the following groups of patients are most likely to have difficulty using a simple me-tered dose inhaler for aerosol drug therapy?
1. Patients in acute distress
2. Infants and young children
3. Elderly persons
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: D
Some patients, especially infants, young children, the elderly, and patients in acute distress, may not be able to coordinate actuation of the pressurized metered dose inhaler with inspiration.
Health Professions