This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
Most effective anti TB drug acting on slow multiplying intracellular bacteria? 
Select and explain. 
A. INH, B. Ethambutol, C. Streptomycin, D. Pyrazinamide
D: Pyrazinamide
Answer: D: Pyrazinamide 
Explanation: Slow intracellular bacteria are best killed with Pyrazinamide. Streptomycin kills extracellular organisms. INH and rifampin kills both.Ref: KD Tripathi 6th ed; Pg: 769