<prompt> Synaptic transmission in the autonomic ganglion is usually:AdrenergicPeptidergicCholinergicMediated by substance P  <response>: Ans. C CholinergicRef: Katzung 10e p76; KDT 8the p104Autonomic ganglia both sympathetic as well as para-sympathetic release ACh that stimulates the NN nicotinic receptors on the post-ganglionic fibres. 