Nicotine, morphine sulfate, and atropine sulfate are derived from ____________________ sources

Advantages of the dry powder inhaler (DPI) drug delivery systems include which of the follow-ing?

1. Low relative cost 2. No propellants required 3. No hand-breath coordination necessary 4. Unaffected by humidity a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only

Chest pain is also referred to as:

A. arrhythmia. B. dyspnea. C. angina. D. cardiac arrest.