Detection of the frequency of a sound above 5 kHz is based upon:
A. the number of fibers discharging in cranial nerve VIII
B. the phase difference between the sound waves at the two ears
C. the direction of deflection of the hair cell cilia
D. the location along the cochlea of the most intensely stimulated hair cells
E. the frequency of action potentials in cranial nerve VIII
ANS: D
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