A suppository is best described as:

• A. Drug mixed with a waxy substance then pressed in a small round cone shape (rectal, vaginal)
• B. Semisolid or liquid prepared with oil and rubbed on the skin
• C. Stick to skin and deliver medication through the bloodstream
• D. Medicines that are safe under a doctor's care and must be prescribed

Answer: (A)

Suppositories are a medication form placed into a body cavity, usually the rectum or vagina, where they melt or dissolve at body temperature to release the drug. They’re made by combining the drug with a waxy base and shaping it into a small cone or round form for easy insertion. This description fits best because it directly describes the physical makeup and shape used for rectal or vaginal administration.

The other options describe different forms or concepts: a topical preparation rubbed on the skin, a product that sticks to the skin to deliver medication through the bloodstream, or a general statement about prescription status rather than the delivery form.