This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
[{'content': 'Discharge from baroreceptor cause inhibition of \nSelect and explain. \nA. Caudal ventrolateral medulla, B. Rostral ventrolateral medulla, C. Nucleus of tractus solitarius, D. Nucleus ambiguous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Rostral ventrolateral medulla (RVLM)Ref: Ganong, 25th ed/p.590Baroreflex mechanismIn simple terms, "increased baroreceptor discharge inhibits the tonic discharge of sympathetic nerves and excites the vagal innervation of the heart"', 'role': 'assistant'}]