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: ENT
[{'content': 'Presbycusis is: \nSelect and explain. \nA. Loss of accommodation power, B. Hearing loss due to aging, C. Noise induced hearing loss, D. Congenital deafness', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Presbycusis , or age-related hearing loss, is the cumulative effect of aging on hearing.It is a progressive and irreversible bilateral symmetrical age-related sensorineural hearing loss resulting from degeneration of the cochlea or associated structures of the inner ear or auditory nerves.', 'role': 'assistant'}]