This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Which of the following is antitubercular drugs bus assoasiated with hypothyroidism \nSelect and explain. \nA. Rifamipicini, B. Pyrazinamide, C. Ethionamide, D. Streptomycin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Refer KDT 7th/771 Ethionamide PAS They are two antitubercular drugs assoasiated with hypothyroidism and goitre', 'role': 'assistant'}]