Along with Carrying 18 Hours of College Classes, Tolek Is

question 647

Multiple Choice

Along with carrying 18 hours of college classes, Tolek is working full-time at his uncle's hardware store. When Tolek complained to a friend about how tired he was all the time, his friend offered to sell him some methamphetamines. "They give you more energy," his friend explained. Tolek has been using the methamphetamines almost daily for the past two weeks. If Tolek continues his chronic use of methamphetamines, he will experience:

• A) a significant increase in the number of dopamine receptors in his brain.
• B) an increase in the synaptic levels of dopamine, serotonin, and norepinephrine, because methamphetamines block their reuptake and potentiate their effects.
• C) frequent bouts of delirium tremens (DTs).
• D) permanent destruction of brain tissue.

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Definitions:

Suprachiasmatic Nucleus (SCN)

A pair of tiny structures in the brain’s hypothalamus that control the timing of circadian rhythms; the biological clock.

Circadian Rhythms

Natural, internal processes that regulate the sleep-wake cycle, repeating roughly every 24 hours.

Suprachiasmatic Nucleus

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

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by the decline in cognitive function, memory, and ability to perform daily tasks.