This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Intolerance to loud sound, nerve affected is \nSelect and explain. \nA. 5th nerve, B. 7th nerve, C. 10th nerve, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Clinical features of the 7th nerve palsy: Eyeball turns up and out Saliva dribbles Tears flow down Pain in the ear Noise intolerance Loss of taste Ref: Dhingra 7e pg 104.', 'role': 'assistant'}]