Matt Is Running a Marathon in the Middle of a Heat

question 69

Multiple Choice

Matt is running a marathon in the middle of a heat wave and is extremely worried about getting dehydrated,so he starts to consume large amounts of water.Suddenly his heartbeat becomes irregular and he gets a severe headache.You tell Matt that he should:

• A) drink more water because he is probably very dehydrated.
• B) see a doctor because he might be having a heart attack.
• C) stop drinking water because he is experiencing water intoxication.
• D) start running again until the feeling goes away.

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Definitions:

Inner Ear

The innermost part of the ear, containing the cochlea, vestibule, and semicircular canals, which are responsible for sound detection and balance.

Sclera

The white, opaque, fibrous, outer protective layer of the eyeball, extending from the cornea to the optic nerve.

Ciliary Body

A ring-shaped tissue in the eye that connects the iris to the choroid, playing a key role in focusing vision and producing aqueous humor.

Optic Nerve

The cranial nerve that transmits visual information from the retina to the brain.