This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Longest lag period in bacterial growth is associated with ? 
Select and explain. 
A. Rifampicin, B. INH, C. Streptomycin, D. Ethambutol
D: Ethambutol
Answer: D: Ethambutol 
Explanation: Ans. is 'd' i.e., Ethambutol