This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy: General Principles, Subject name: Pharmacology
Which of the following is the new drug for the treatment of multi drug resistant tuberculosis? 
Select and explain. 
A. Bedaquiline, B. Linezolide, C. Levofloxacin, D. Cefepime
A: Bedaquiline
Answer: A: Bedaquiline 
Explanation: Ans. (A) Bedaquiline(Ref: Harrison 19th/e p1115, KDT 8th/e p823)Ref: Bedaquiline is a new drug approved for MDT tuberculosis. It acts by inhibiting ATP synthase in mycobacteria. Major adverse effect of this drug is QT prolongation.