The Mechanical Responses of the Outer Hair Cells Appear to Fine-Tune

question 71

Multiple Choice

The mechanical responses of the outer hair cells appear to fine-tune the organ of Corti and

• A) help determine loudness.
• B) amplify sound.
• C) help discriminate frequencies.
• D) modify sound intensity.

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Definitions:

Posterior Horn

A section of the spinal cord grey matter involved in sensory processing.

Ventral Root

Motor (efferent) root of a spinal nerve.

Spinal Cord

The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the brain and is encased in the vertebral column.

Spinal Nerves

Nerves that emerge from the spinal cord, carrying motor, sensory, and autonomic signals between the spinal cord and the body.