Sleep and Circadian Rhythms Quiz

Circadian rhythm refers to:

• the cycle of five distinct stages that we experience during a normal night’s sleep.

• the experience of jet lag following an extensive transoceanic flight.

• the pattern of emotional ups and downs we routinely experience.

• a pattern of biological functioning that occurs on a 24-hour cycle.

Most adolescents need about _____ hours of sleep per night.

• 12

• 4

• 6

• 9

Dr. Dahab is examining a patient who is having trouble falling asleep at night. Which area of the brain and hormone is Dr. Dahab most likely curious about?

• brain stem; somnambulant

• cerebral cortex; estrogen

• hippocampus; adrenaline

• hypothalamus; melatonin

An EEG, or electroencephalograph, measures:

• activation-synthesis.

• brain waves.

• infradian rhythms.

• melatonin levels.

Which stage of sleep is considered slow-wave sleep?

• stage 1

• stage 2

• stage 3

• stages 2 and 3

Which of the following is bad advice for a person trying to overcome insomnia?

• Avoid taking short naps during the day.

• Do not use an alarm; sleep as long as you can in the morning.

• Drink a glass of milk fifteen minutes before bedtime.

• Eat a piece of toast fifteen minutes before bedtime.

Sleep apnea results in:

• difficulty falling asleep at night, causing sleep deprivation.

• not being able to breathe at times during sleep.

• trauma to the hypothalamus.

• uncontrollable sleeping attacks, especially when the person gets excited.

When a narcoleptic has an attack they:

• go straight into REM sleep.

• stay asleep for at least one hour.

• are usually already in bed.

• are accompanied by attacks of sleep apnea.

What is the primary function of REM sleep?

• To increase melatonin production.

• To repair muscle tissue.

• To consolidate memories.

• To regulate body temperature.

Which hormone is primarily responsible for regulating the sleep-wake cycle?

• Insulin

• Melatonin

• Serotonin

• Adrenaline