The Frequency of a Sound Is Indicated to the Nervous

question 45

Multiple Choice

The frequency of a sound is indicated to the nervous system by the

• A) frequency of hair cell vibration.
• B) number of rows of hair cells that are stimulated.
• C) region of the organ of Corti that is stimulated.
• D) movement of the perilymph in the cochlear duct.
• E) frequency of vibration of the tectorial membrane.

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Definitions:

Cortisol

A hormone released by the adrenal glands in response to stress or low blood glucose.

Blood Sugar

The concentration of glucose in the blood, an important energy source for the body's cells.

Hypothalamus-Pituitary-Adrenal Cortex

A major part of the endocrine system that controls reactions to stress and regulates many body processes including digestion, the immune system, mood and emotions.

Hormonal-Pubertal-Adrenal Circuit

A system involving the interaction of hormones associated with puberty and the adrenal glands, affecting physical development and stress responses.