This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Tuberculosis, Subject name: Pharmacology
[{'content': 'Longest lag period in bacterial growth is associated with - \nSelect and explain. \nA. Rifampicin, B. INH, C. Streptomycin, D. Ethambutol', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'd' i.e., Ethambutol Post-antibiotic lag period of antitubercuiar drug Drug Lag period (days) after exposure for 24 hrs. INH 6-9 Rifampicin 2-3 Ethambutol 4-5 Streptomycin 8-10 Pyrazinamide - Ethionamide 10 Cycloserine 4-8 Maxifloxacin 15", 'role': 'assistant'}]