This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Facial Nerve And Its Disorders, Subject name: ENT
[{'content': 'Ramsay Hunt syndrome is caused by: \nSelect and explain. \nA. H. simplex, B. H. zoster, C. Influenza, D. HIV', 'role': 'user'}, {'content': "Answer: B \nExplanation: (b) H. zoster(Ref. Cummings, 6th ed., 2622)Herpes Zoster of external ear with facial palsy is known as Ramsay Hunt syndrome.H. simplex is being reported to be associated with Bell's palsy.Facial nerve palsy can also be caused by other viruses, for example HIV, influenza, polio, EBV, etc.", 'role': 'assistant'}]