This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ANS, Subject name: Pharmacology
[{'content': 'A patient presented in medicine emergency on stretcher. on examination his BP was found to be 80/50, his relatives also told that he was going for urination very infrequently. The doctor prescribed a medicine to the patient. What was the medicine and what is its dose in this case? \nSelect and explain. \nA. Dopamine 5mcg/kg/min, B. Dopamine 15mcg/kg/min, C. Nor epinephrine 2mcg/kg/min, D. Nor epinephrine 10 mcg/kg/min', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dopamine acts on D1R at a concentration of <2mcg/kg/min and it produces maximum in renal blood vessels and produces vasodilation which helps in oliguria.. Dopamine acts on beta 1R at a concentration of 2-10mcg/kg/min and it acts on hea and more than that concentraion it produces vasoconstriction which helps in shock SO IT IS DOC OF SHOCK WITH OLIGURIA.', 'role': 'assistant'}]