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Physiology Quiz -
Physiology of Hearing - Part 4
The auditory system is responsible for converting sound waves in the environment into electrical signals that the brain can receive and utilize as useful information about the sound characteristics of the external environment. Test your basic knowledge of auditory physiology by taking this simple quiz.
(1)   When it comes to protecting one's hearing, it is a good idea to avoid unprotected exposure to sound levels greater than __________.
(2)   At or beyond this sound intensity level, sound is not only heard, but it is also felt, possibly as a painful stimulus, by the auditory system. Sound intensity (or loudness) is expressed in decibels (dB).
(3)   Based on workplace regulations established by the Occupational Safety and Health Administration (OSHA), workers can be exposed to sound levels of 90 decibels (dB) for no more than __________ hours.
(4)   Based on workplace regulations established by the Occupational Safety and Health Administration (OSHA), workers can be exposed to sound levels of 95 decibels (dB) for no more than __________ hours.
(5)   Based on workplace regulations established by the Occupational Safety and Health Administration (OSHA), workers can be exposed to sound levels of 100 decibels (dB) for no more than __________ hours.
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Posted: Thursday, October 29, 2015