<prompt> Irrespective of organ innervated, the postsynaptic parasympathetic nerve terminalsreceptors do not produce which neurotransmitter ?Acetyl cholineHistamineNoradrenalineDopamine  <response>: B Histamine Parasympathetic division Transmission at synaptic junction between pre and post-ganglion neurons and between post-ganglionic neurons and autonomic effectors the principle transmitters areAch, norepinephrine, dopamine also secreted by sympathetic ganglia and GnRH by some preganglionic neurons. Additionally VIP, neuropeptide Y are secreted. 