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': 'Alkalinization of urine is done during administration of which of the folloiwng chemotherapeutic drugs? \nSelect and explain. \nA. Ara-C, B. Methotrexate, C. Cisplatin, D. Ifosafamide', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' i.e. Methotrexate o Urine alkalinization by NaHCO3 enhances the elimination of weak acids, e.g. Salicylates, Phenobarbitone, Chlorpropamide, formic acid and methotrexate.", 'role': 'assistant'}]