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
Which of the following is a bacteriostatic Anti tubercular drug? 
Select and explain. 
A. Streptomycin, B. Ethambutol, C. Isoniazid, D. Rifampicin
B: Ethambutol
Answer: B: Ethambutol 
Explanation: ANSWER: (B) EthambutolREF: KDT 6th edition page 703Bacteriostatic anti tubercular drugs are:ThiacetazoneEthionamideEthambutolPASCycloserine