If a drug blocks the action of acetylcholinesterase,it will serve as a(n)_________ for acetylcholine.

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An agonist is a drug or chemical that activates a receptor and produces a response that mimics the action of an endogenous ligand. In this case, by blocking the action of acetylcholinesterase, the drug allows acetylcholine to accumulate in the synapse, leading to increased activation of acetylcholine receptors and a greater response. Therefore, the drug acts as an agonist for acetylcholine. Antagonists, on the other hand, block the action of an endogenous ligand, and modulators and mimics do not necessarily affect the function of acetylcholinesterase or acetylcholine in this way.

If a Drug Blocks the Action of Acetylcholinesterase,it Will Serve