VCE U4 Psychology Ch 6/7 quick quiz

What is the sleep-wake cycle?

• A cognitive function regulating hunger

• A 12-hour cycle controlled by dreams

• A 24-hour biological rhythm that determines sleep and wake times

• A pattern set by school schedules

What part of the brain regulates the sleep–wake cycle?

• Amygdala

• Hippocampus

• Suprachiasmatic nucleus

• Cerebellum

Which hormone plays a key role in initiating sleep?

• Serotonin

• Cortisol

• Dopamine

• Melatonin

What triggers the release of melatonin?

• Bright light exposure

• High levels of activity

• Low light or darkness

• Consumption of sugar

In adolescence, the release of melatonin tends to occur:

• Earlier than in childhood

• At the same time as in adulthood

• Later than in childhood

• Randomly throughout the day

What is the sleep-wake phase delay common in teenagers?

• Falling asleep earlier and waking earlier

• A shift to later sleep and wake times

• Complete loss of sleep pattern

• Sleeping less due to anxiety

What is one biological reason adolescents sleep later?

• Reduced blood pressure

• Earlier melatonin release

• Delayed melatonin release

• Faster metabolism

How many hours of sleep do adolescents typically need?

• 5–6 hours

• 7–8 hours

• 9–10 hours

• 11–12 hours

What is one effect of sleep deprivation in teens?

• Increased muscle strength

• Better memory retention

• Moodiness and poor concentration

• Improved reaction time

How can bright light therapy (BLT) help reset the sleep-wake cycle?

• By promoting dream recall

• By stimulating the release of cortisol