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- 1. Multiple Choice
Which of the following best describes the circadian rhythm?
the pattern of emotional ups and downs we routinely experience
a pattern of biological functioning that occurs on a roughly 24-hour cycle
the cycle of five distinct stages that we experience during a normal night's sleep
- 2. Multiple Choice
Why is REM sleep considered a paradox?
our heart rate is slow and steady, while our breathing is highly irregular
we are deeply asleep but can be awakened easily
our nervous system is highly active, while our voluntary muscles hardly move
- 3. Multiple Choice
Which endocrine gland releases melatonin to help you wind down and fall asleep?
Hypothalamus
Pineal
Adrenal
- 4. Multiple Choice
During which stage of the sleep cycle are humans' dreams most vivid and detailed?
NREM-1
NREM-2
NREM-3
REM
- 5. Multiple Choice
When would someone typically walk or talk in their sleep?
NREM-1
NREM-2
NREM-3
REM
- 6. Multiple Choice
How often does the human sleep cycle repeat itself?
About every 90 minutes
About every 4 hours
Every 1.5 days
- 7. Multiple Choice
The superchiasmatic nucleus is located in which brain structure?
Hippocampus
Hypothalamus
Hyperbellum
- 8. Multiple Choice
Which of the following describes the hidden underlying meaning of a dream, according to Freud?
Manifest Content
Latent Content
- 9. Multiple Choice
Which sleep disorder is characterized by temporary cessations of breathing during sleep and repeated momentary awakenings?
Insomnia
Sleep Apnea
Narcolepsy
Night Terrors
- 10. Multiple Choice
Which sleep disorder is characterized by persistent problems of falling asleep and/or staying asleep?
Insomnia
Sleep Apnea
Narcolepsy
Night Terrors
- 11. Multiple Choice
What is REM rebound?
the tendency for REM sleep to INCREASE following REM sleep deprivation created by repeated awakenings during REM sleep
the tendency for REM sleep to DECREASE following REM sleep deprivation created by repeated awakenings during REM sleep
- 12. Multiple Choice
During which stage of sleep do "sleep spindles" occur?
NREM-1
NREM-2
NREM-3
REM
- 13. Multiple Choice
Which of the following is likely to occur after sustained sleep loss?
Decreased risk of obesity
Immune system suppression
Lowered blood pressure
- 14. Multiple Choice
Which dream theory describes dreaming as the triggering of neural activity that our brain turns into a story-like dream?
Wish Fulfillment
Activation-Synthesis
Information Processing
- 15. Multiple Choice
After sleeping for about an hour and a half, Sam enters a phase of paradoxical sleep. She is likely to
have very relaxed muscles.
be easily awakened.
talk in her sleep.
have slower brain waves.
- 16. Multiple Choice
______ sleep is called paradoxical sleep because
Stage 4; it leads to highly imaginative dreams that are perceived as colorless images.
REM; our nervous system is highly active, while our voluntary muscles hardly move.
Stage 2; our heart rate is slow and steady, while our breathing is highly irregular.
Stage 1; our brain and nervous system are less active while our muscles are very active.
- 17. Multiple Choice
Nightmares are to _______ as night terrors are to _______.
narcolepsy; sleep apnea
Stage 4 sleep; Stage 1 sleep
delta waves; alpha waves
REM sleep; Stage 4 sleep
- 18. Multiple Choice
The large, slow brain waves associated with deep sleep are called
theta waves.
delta waves.
sleep spindles.
alpha waves.
- 19. Multiple Choice
Which of the following sleep disorders would be most incapacitating for a commercial bus driver?
night terrors
insomnia
narcolepsy
sleepwalking
- 20. Multiple Choice
The explanation that holds that dreams are merely the brain’s attempt to make sense of meaningless patterns of brain activity during sleep is called the
psychoanalytic theory
cognitive theory
evolutionary theory
activation-synthesis theory
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