Sympathetic A. Ganglionic transmission is mediated by acetylcholine. B. Neuromuscular transmission at the heart is mediated by adrenaline. C. Neuromuscular transmission in hand skin arterioles is mediated by acetylcholine. D. Neuroglandular transmission at sweat glands is mediated by noradrenaline. E. Neuromuscular transmission at the iris is mediated by noradrenaline.Read more on Sarthaks.com - https://www.sarthaks.com/518469/sympathetic-a-ganglionic-transmission-is-mediated-by-acetylcholine