Answer

The sensation of loudness or the volume of a sound is detected by ________.

A) high volume sounds can travel all the way the apex of the scala vestibule with enough energy remaining to deflect hair cells
B) faster vibration of the basilar membrane resulting in a higher frequency of hair cell stimulation
C) greater movement of the basilar membrane resulting in greater deflection of the hair cells
D) vibration along a greater length of the basilar membrane, stimulating a greater number of hair cells


C