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': 'A 58 year old man shows positive Rinne test. He probably have: \nSelect and explain. \nA. Wax in ear, B. Chronic suppurative otitis media, C. Otomycosis, D. Normal hearing', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A Rinne test compares the ability to hear by air conduction with the ability to hear by bone conduction. Rinne is positive when AC is longer or louder than BC. It is seen in normal persons or those having sensorineural hearing loss. A negative Rinne (BC>AC) is seen in conductive deafness.', 'role': 'assistant'}]