<prompt> Tyramine acts byInhibit acetylcholinesteraseStimulate co receptorRelease norepinephrineStimulate 13 receptor  <response>: C i.e. Release norepinephrine Tyramine, ephedrine amphetamine TEA augment autonomic activity by releasing norepinephrineQ from endings of post-ganglionic neurons. Stnne drugs and toxins affecting Autonomic activity IP Site of Action Compounds That Augment Autonomic Activity Compounds That Depress Autonomic Activity Sympathetic and parasympathetic ganglia Stimulate postganglionic neurons - Nicotine - Low concentrations of acetylcholine Inhibit acetylcholinesterase - DFP diisopropyl fluorophosphate - Physostigmine Eserine - Neostigmine Prostigmin - Parathion Block conduction - Hexamethonium C-6 - Mecamylamine inversine - Pentolinium - Trimethaphan Arfonad - High concentration of acetylcholine Endings of postganglionic noradrenergic neurons Release norepinephrine - Tyramine - Ephedrine - Amphetamine Block norepinephrine synthesis - Metyrosine Demser Interfere with norepinephrine storage - Reserpine - Guanethidine Ismelin Prevent norepinephrine release - Bretylim Bretylol - Guanethidine Ismelin Form false transmitters - Methyldopa Aldomet Muscarinic receptors Atropine, scopolamine a adrenergic receptors Stimulate alreceptors - Methoxamine Vasoxyl - Phenylephrine Neo-Synephrine Block a receptors - Phenoxybenzamine Dibenzyline - Phentolamine Regitine - Prazosin Minipress block al - Yohimbine blocks a2 b adrenergic receptors Stimulate 13 receptors - Isoproterenol Isuprel Block receptors - Propranolol Inderal and others blocks 01 - Atenolol Tnormin and others blocks 01 Butoxamine blocks 02 C i.e. Release norepinephrine 