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
Drug of choice for treatment of infestation due to Onchocerca volvolus is 
Select and explain. 
A. Albendazole, B. Ivermectin, C. Praziquantal, D. Suramin
B: Ivermectin
Answer: B: Ivermectin 
Explanation: DOC for all nematode including their larvae: ALBENDAZOL Exception:- FILARIA: DEC - STRONGYLOIDES, ONCHOCERCA: IVERMECTIN