Quiz 7.1-2

How many hours of sleep do teenagers need per night?

• Seven hours

• Eight hours

• Ten hours

• Nine hours

What is a sleep deficit?

• Excessive sleep

• Deep sleep

• Interrupted sleep

• A shortage of sleep

Which of the following is NOT an impact of insufficient sleep?

• Obesity

• Improved memory

• Hypertension

• Diabetes

What does the suprachiasmatic nucleus (SCN) regulate?

• Muscle growth

• Sleep-wake cycles

• Digestion

• Blood pressure

What is the circadian rhythm?

• A type of exercise

• The body's internal 24-hour clock

• A sleep disorder

• A type of diet

What happens when the circadian rhythm is disrupted?

• The body becomes immune to diseases

• The body's biological clock takes a while to readjust

• The body immediately adjusts

• The body gains extra energy

How many stages of sleep do you pass through each night?

• Four

• Five

• Six

• Three

What does REM stand for in REM sleep?

• Rapid Eye Movement

• Regular Eye Movement

• Random Eye Movement

• Restful Eye Movement

During REM sleep, what happens to your muscles?

• They become tense

• They are temporarily paralyzed

• They become more flexible

• They grow stronger

How long do most dreams last?

• Over an hour

• Between 20 and 40 minutes

• Between 5 and 20 minutes

• Between 1 and 5 minutes