Synaptic transmission in the autonomic ganglion is usually:: (A) Adrenergic, (B) Peptidergic, (C) Cholinergic, (D) Mediated by substance P
Answer is C. Ans. (C) Cholinergic(Ref: Katzung 10/e p76; KDT 8th/e p104)Autonomic ganglia (both sympathetic as well as para-sympathetic) release ACh that stimulates the NN nicotinic receptors on the post-ganglionic fibres.