Taking a Midafternoon Nap

question 90

Multiple Choice

Taking a midafternoon nap

• A) is indicative of a person with hypersomnia.
• B) are not really restful.
• C) can help people in occupations that require long periods of alertness.
• D) are only beneficial to the very young and the very old.

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Definitions:

Arteriovenous Anastomosis

Vessel through which blood is shunted from an arteriole to a venule without passing through the capillaries.

Arteriole

A small artery that leads into capillaries, controlling blood flow and pressure by the contraction and relaxation of its muscular wall.

Venule

Small blood vessels that allow deoxygenated blood to return from capillary beds to larger blood vessels called veins.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to the body.