what are the effects of acetylcholine yahoo
Answers. Best Answer: a) Acetylcholine results in muscle contraction b)Neostigmine acts as a reversible acetylcholinesterase inhibitor, increasing both the level and duration of action of the neurotransmitter acetylcholine. c)d-tubocurarine results in muscle relaxation.It acts as a competitive antagonist of nicotinic neuromuscular acetylcholine receptors, thus inactivating it and preventing ACh to bond and induce contraction.d)Suxamethonium results in muscle relaxation.)d-tubocurarine results in muscle relaxation. It acts as a competitive antagonist of nicotinic neuromuscular acetylcholine receptors, thus inactivating it and preventing ACh to bond and induce contraction.