"Nerve terminals release chemicals"-discovered by: (A) Dale, (B) Withering, (C) Domagk, (D) Langley
Answer is A. It was discovered in 1914 by Henry Hallet Dale. Acetylcholine was confirmed as a neurotransmitter by Otto Loewi. Ref : guyton and hall textbook of medical physiology 12 edition page number:675,676,677