Multiple choice

An anticholinergic drug blocks the neurotransmitter acetylcholine in the central and the peripheral nervous system. Which of the following can be excluded from the category of anticholinergic drugs?

  1. Atropine

  2. Diphenhydramine hydrochloride

  3. Hyoscyamine

  4. Scopolamine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Diphenhydramine hydrochloride is a first-generation antihistamine mainly used to treat allergies.It has a powerful hypnotic effect, and for this reason is often used as a nonprescription sleep aid and a mild anxiolytic.

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