Identify the level under which the drugs that are rare and high in cost are classified.

Zileuton interacts with which of the following respiratory care drugs? 1. Theophylline 2. Albuterol 3. Warfarin 4. Ipratropium bromide 5. Beclomethasone

a. 1 and 3 only b. 2 and 4 only c. 3 and 5 only d. 1 and 5 only

A drain can enhance wound healing by

a. preventing infection. b. increasing wound dead space. c. increasing seroma formation. d. preventing tissue devitalization.