A drug group that produces increases in heart rate, decreases in gastrointestinal motility, bronchodilation, urinary retention and blurred vision is likely to be the:

Question

Quizplus · Accepted Answer

Muscarinic antagonists block the parasympathetic nervous system, which produces the described effects. Alpha and beta antagonists are not specific enough to produce this particular set of effects. Acetylcholinesterase inhibitors increase the activity of the parasympathetic nervous system and thus would have opposite effects. Nicotinic agonists mainly affect skeletal muscle and the autonomic ganglia, but not the target organs listed.

A Drug Group That Produces Increases in Heart Rate, Decreases