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
[{'content': 'Moxidectin was approved by FDA recently for \nSelect and explain. \nA. Filariasis, B. Onchocerca volvulus, C. Hypeension, D. Scabies', 'role': 'user'}, {'content': 'Answer: B \nExplanation: moxidectin is a macro cyclic lactone which is similar to ivermectin.it binds to the glutamate gated chloride channels leading to increased permeability and hyperpolarization and muscle paralysis. Ref: www.fda.gov.in', 'role': 'assistant'}]