Sheena Loves to Bungee Jump, Drive Fast, and Go to Parties

question 31

Multiple Choice

Sheena loves to bungee jump, drive fast, and go to parties. According to arousal theory, Sheena is probably a(n) ____.

• A) sensation-seeker
• B) individual who has trouble achieving homeostasis
• C) person who lacks impulse control
• D) self-actualized woman

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Definitions:

Suprachiasmatic Nucleus

A region of the brain in the hypothalamus responsible for controlling circadian rhythms.

Pineal Gland

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles and seasonal biological rhythms.

Biological Clock

An internal mechanism that regulates bodily rhythms and cycles, such as sleep and wakefulness, over approximately a 24-hour period.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles, its production increases in darkness to promote sleep.