This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
a patient who had undergone renal allograft transplantation 6months back on treatment with azathioprine and prednisolone conmes to the hospital with history of fevr night sweats cough and breathlessness on xray a cavity is seen in the right apical region along with classification.auramine rhodamine staining of sputum shows tubrcle bacilli and serum creatinine level 1.2mg % the treatment given is ? 
Select and explain. 
A. INH,RIFAMPICIN,PYRAZINAMIDE, B. INH,RIFAMPICIN,PYRAZINAMIDE, C. INH,PYRAZINAMIDE,ETHAMBUTOL,SPTREPTOMYCIN, D. RIFAMPICIN,PYRAZINAMIDE,ETHAMBUTOL
C: INH,PYRAZINAMIDE,ETHAMBUTOL,SPTREPTOMYCIN
Answer: C: INH,PYRAZINAMIDE,ETHAMBUTOL,SPTREPTOMYCIN 
Explanation: MEDICAL MANAGEMENT PULMONARY TB is treated primarily with antituberculosis agents for 6 to 12 months. * Pharmacological management * First line antitubercular medications * Streptomycin 15mg/kg/day. * Isoniazid or INH (Nydrazid) 5 mg/kg (300 mg max/day) * Rifampicin 10 mg/kg/day. * Pyrazinamide 15 -- 30 mg/kg/day. * Ethambutol (Myambutol) 15 -25 mg/kg daily for 8 weeks and continuing for up to 4 to 7 months ref : harrisons 21st ed