An intravenous injection of acetylcholine may not be successful in facilitating cholinergic activity in the presence of:

Question

Quizplus · Accepted Answer

The enzyme acetylcholinesterase inactivates acetylcholine when it is outside a nerve ending and not on the receptor. There is also an acetylcholinesterase enzyme, referred to as pseudocholinesterase, located in the liver and plasma that also can hydrolyze acetylcholine and related drugs.

An Intravenous Injection of Acetylcholine May Not Be Successful in Facilitating