This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Parasitic Drugs, Subject name: Pharmacology
[{'content': 'Drug of choice for treatment of infestation due to Onchocerca volvolus is \nSelect and explain. \nA. Albendazole, B. Ivermectin, C. Praziquantal, D. Suramin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: DOC for all nematode including their larvae: ALBENDAZOL Exception:- FILARIA: DEC - STRONGYLOIDES, ONCHOCERCA: IVERMECTIN', 'role': 'assistant'}]