This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'Ion ligand receptors are \nSelect and explain. \nA. Glycine receptor, B. b adrenergic receptors, C. V1 receptor, D. Insulin receptor', 'role': 'user'}, {'content': 'Answer: A \nExplanation: LikeGABA, glycine acts by increasing Cl- conductance.The ionotropic receptors of glutamate are ligand-gated ion channels that resemble nicotinic cholinergic receptors and GABA and glycine receptors. Catecholamines acting on b adrenergic receptors use cAMP mechanism.', 'role': 'assistant'}]