Of the Class 1A Antiarrhythmics,procainamide Is Favored Over Quinidine Because

Of the Class 1A antiarrhythmics,procainamide is favored over quinidine because procainamide:

A) is a natural product, whereas quinidine is not.
B) shows cardiac depressant activity at a much lower dose than quinidine does.
C) produces less anticholinergic and alpha-blocking actions than quinidine does.
D) exhibits more cholinergic activity than quinidine does.