Distinguishing the Pitch of Sounds Is Possible Because

question 32

Multiple Choice

Distinguishing the pitch of sounds is possible because

• A)different frequencies of sounds make the eardrum vibrate with different amplitudes.
• B)different frequencies of sounds stimulate different regions of the basilar membrane in the cochlear duct.
• C)different frequencies of sounds cause different kinds of action potentials in neurons in the auditory nerve.
• D)different frequencies of sounds cause different frequencies of action potentials in neurons in the auditory nerve.
• E)there are many different types of receptors for sound,each of which responds to a single frequency.

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