Acetylcholine is: Nervous System Physiology Mcqs October 2, 2019 BILAL KHATTAK0 A.Chemical transmittor across synapses B.Chemical messenger C.Antistress hormone D.None of these Related Mcqs: Acetylcholine is responsible for transmission of nerve impulses through: Synapses between motor fibres and end plates are called: A hormone is: Secretion of androgens by testes is under the regulatory influence of: TSH stands for: Secretion of STH or GH of pituitary is stimulated by: Destruction of acetylcholine by acetylcho-linesterase is required because of: Acetylcholine retards the rate of heart beating by: Under which of these conditions, the heart rate is retarded by liberating acetylcholine: In saltatory transmission the impulse propagates: