This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Addition of which of the following agent can help in elimination of 15-20 tablets of 10 mg dextroamphetamine - \nSelect and explain. \nA. Acetazolamide, B. NH4 CI, C. Penicillamine, D. Na HCO3', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., NH4CI Acidification of urine o Basic drugs are more ionized at acidic pH. So, acidification of urine should be done in poisoning of these drugs. o Examples of such basic drugs are morphine, amphetamine, dexfenfluramine. o Acidification of urine is done by iv infusion of arginine hydrochloride followed by ammonium chloride (NH4CI) by mouth.", 'role': 'assistant'}]