Distinguishing the Pitch of Sounds Is Possible Because

question 53

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 receptors for sound, each of which responds only to one narrow range of frequency

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Definitions:

Voluntary Muscle

Muscle tissue that is controlled consciously, such as skeletal muscles that move parts of the body.

Smooth

A texture or quality that is even and uninterrupted by marked changes or disturbances, often used to describe surfaces, movements, or flavors.

Cardiac

Relating to the heart and its function in health or disease.

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