Bacteriostatic anti - TB drug is: (A) Pyrazinamide, (B) INH, (C) Rifampin, (D) Ethambutol
Answer is D. Ans. is 'd' i.e., Ethambutol All first line drugs are tuberculocidal except ethambutol which is tuberculostatic:* Tuberculocidal: Rifampin, INH, streptomycin, pyrazinamide.* Tuberculostatic : Ethambutol, PAS, cycloserine, thioacetazone.