This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
[{'content': 'Multi drug resistant TB is resistance to: \nSelect and explain. \nA. Isoniazid, B. Rifampicin, C. Isoniazid/ rifampicin, D. All first line drugs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Isoniazid/rifampicinMultidrug resistance in TB is resistance to both isoniazid and rifampicin. It is fatal form of disease. Apart from first line, second line drugs can be given which are levofloxacin, moxifloxacin, kanamycin, amikacin, cycloserine, ethionamide, PAS can be given.', 'role': 'assistant'}]