A series of one-sided headaches that are sudden and intense and that may continue for 15 minutes to four hours is referred to as:

Which of the following compounds is the major metabolite of primidone?

A. Digoxin B. Theophylline C. N-acetylprocainamide D. Phenobarbital

Tablets that are made with granular salts that release active ingredients when placed in water are called:

A) effervescent B) chewable C) sublingual D) enteric-coated