By What Means Do We Perceive the Pitch of a Low-Frequency

Multiple Choice

By what means do we perceive the pitch of a low-frequency sound, such as 30 Hz?

A) Sound waves of a particular frequency excite hair cells at a particular location along the basilar membrane.
B) A sound wave of a particular frequency (such as 30 Hz) excites exactly that number of hair cells (30) .
C) Each sound wave excites a group, or volley, of hair cells.
D) Each hair cell sends one impulse for each sound wave.