A person can discriminate loud sound from a soft sound because a loud sound:a. is sent to a ...

A person can discriminate loud sound from a soft sound because a loud sound:a.
   is sent to a different area of the brain than a soft sound.
  b. produces a strong graded potential.
  c. stimulates a greater number of hair cells.
  d. stimulates the hair cells more intensely.
  e. has a different vibration frequency than that of a soft sound.

Question 2

The brain can infer the pitch of a sound from the:a.
   number of hair cells that are stimulated.
  b. particular hair cells that are stimulated.
  c. intensity with which the hair cells are stimulated.
  d. intensity of the action potential produced by the stimulated hair cells.
  e. fluid movements of the semicircular canals.