This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Drug which clears trypanosomes from blood and lymph nodes and is active in late CNS stages of African sleeping sickness 
Select and explain. 
A. Emetine, B. Melarsoprol, C. Nifuumix, D. Suramin
B: Melarsoprol
Answer: B: Melarsoprol 
Explanation: Melarsoprol in cns stage, suramin in heamolymphaticstage, chagas disease nifuimox.Ref: Katzung 10/e p863