<prompt> Auditory fatigue is seen at ?90 dB, 4000Hz110 dB, 4000Hz130 dB, 4000Hz150 dB, 4000Hz  <response>: Ans. is a i.e., 90 dB, 4000Hz Auditory effects of noice Auditory fatigue - 90 dB and 4000 Hz. Deafness - 4000 to 6000 Hz Temporary - Repeated prolonged exposure to 100 dB Permanent Single exposure to - 160 dB due to rupture of ear drum This question is a repeat from NEET 2012-13 