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
Exposure to noise above- causes permanent hearing loss - 
Select and explain. 
A. 90 dB, B. 100 dB, C. 125 dB, D. 160 dB
D: 160 dB
Answer: D: 160 dB 
Explanation: Ans. is 'd' i.e., 160 dB