This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'True about function of Angiotensin ll \nSelect and explain. \nA. Constriction of afferrent aeriole, B. Autoregulation of GER, C. Secreted from endothelial, D. Release aldosterone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A vasoactive octapeptide produced by the action of angiotensin-conveing enzyme on angiotensin I; produces stimulation of vascular smooth muscle, promotes aldosterone production, and stimulates the sympathetic nervoussystem.Ref: Ganong&;s review of medical physiology; 24th edition', 'role': 'assistant'}]