This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': "Herpes zoster in geniculate ganglion causes: \nSelect and explain. \nA. Bell's palsy, B. Ramsay Hunt syndrome, C. Merkelson Rosenthal syndrome, D. Frey's syndrome", 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer is B (Ramsay Hunt sSyndrome): Herpes Zoster of geniculate ganglion causes Ramsay Hunt Syndrome. The Ramsay Hunt Syndrome is caused by reactivation of Herpes Zoster in the geniculate ganglion and consists of a severe facial nerve palsy associated with a vesicular eruption in the external auditory canal and sometimes in the pharynx and other pas of the cranial integument '- Harrison", 'role': 'assistant'}]