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).

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Physiology Test Question

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).

	(A) 20 dB
	(B) 40 dB
	(C) 70 dB
	(D) 100 dB
	(E) 140 dB

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Posted: Sunday, October 18, 2015
Last updated: Saturday, October 17, 2015