Which Occurs When the Mammalian Hypothalamus Is Directly Cooled During

question 230

Multiple Choice

Which occurs when the mammalian hypothalamus is directly cooled during an experiment?

• A) Metabolic rate decreases.
• B) Body temperature decreases.
• C) Metabolic rate increases.
• D) Blood vessels supplying the skin dilate.
• E) Panting begins.

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Definitions:

Auditory Convergence

A phenomenon in which sounds from different sources merge into a single perceived auditory event.

Refractory Threshold

The level of stimulus intensity or the period following a nerve impulse during which a nerve or muscle is unresponsive to further stimulation.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the high density of cones (color-receiving cells).

Retina

The light-sensitive layer of tissue at the back of the eye, responsible for converting light into neural signals for vision.