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: Social & Preventive Medicine
[{'content': 'Exposure to noise above- causes permanent hearing loss - \nSelect and explain. \nA. 90 dB, B. 100 dB, C. 125 dB, D. 160 dB', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 160 dB", 'role': 'assistant'}]