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Which of the following classes of sensory receptors consists of neurons with naked dendrites?
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46. Sensory Systems
Sensory System
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The brain determines the loudness of a sound from the __________.
A
part of the organ of Corti stimulated by the sound
B
range of air pressure changes in the middle ear
C
part of the brain receiving nerve impulses from the ear
D
intensity of the nerve impulses received
E
rate of nerve impulses received
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Understand that the brain interprets sound through signals received from the ear, specifically the organ of Corti in the cochlea.
Recognize that the loudness of a sound is related to the intensity of the nerve impulses sent to the brain.
Consider that the rate at which these nerve impulses are sent can indicate the loudness of the sound.
Identify that the brain uses the frequency of these nerve impulses to determine how loud a sound is perceived.
Conclude that the correct answer is the rate of nerve impulses received, as this directly correlates with the perceived loudness of the sound.
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