Question : 51. All of the following help to regulate the sleep-wake cycle : 1201938

 

 

51. All of the following help to regulate the sleep-wake cycle except 
A. light and dark cues from the environment.
B. melatonin.
C. suprachiasmatic nuclei.
D. Wernicke’s area.

52. Kira has been having trouble with her sleeping and eating patterns lately. Sometimes she sleeps from midnight until 6 A.M.; sometimes from noon until 7 P.M. She also eats at radically different times during the day. Her doctor should suspect that she is deficient in what hormone? 
A. Testosterone
B. Progesterone
C. Melatonin
D. Balthocin

53. Austin Powers travels from California to New York, chasing Dr. Evil across the country. Austin then experiences fatigue, irritability, inattention, and sleeping problems due to the disruption of his _____, which caused _____. 
A. sleep stages; narcolepsy
B. lucid dreaming; jet lag
C. circadian rhythms; sleep apnea
D. circadian rhythms; jet lag

54. Which of the following statements about sleep deprivation is false? 
A. A person who goes without sleep for one week risks permanent brain damage.
B. Without sleep, people are less likely to retain skills that they learned during the day.
C. Sleep deprivation raises the level of norepinephrine in the brain.
D. Fatigue may be the primary cause of up to 25 percent of all auto accidents.

55. When people are deprived of _____ sleep, they compensate for the loss directly and show a rebound effect to recover from the loss. 
A. slow-wave
B. REM
C. stage 4
D. stage 3

56. Which of the following is not a theory of why we sleep? 
A. Sleep provides a time to process new learning.
B. Sleep provides time for the body to restore norepinephrine sensitivity.
C. Sleep facilitates brain development, especially in infancy.
D. Sleep provides a time for the brain to turn off all mental activity and rest.

57. Marcello has finished studying for a test. As he prepares to go to sleep, he wants to remember what he studied tonight when he takes the test tomorrow. To best meet his needs, he should 
A. have a friend awaken him each time he goes into non-REM sleep.
B. be sure that he has a lucid dream.
C. avoid stage 2 sleep.
D. experience as much REM sleep as possible.

58. All of the following theories explain the need for REM sleep, except: 
A. REM sleep may improve the retention of skills learned during waking hours.
B. The locus coeruleus is especially active during REM sleep, increasing the brain’s norepinephrine levels.
C. REM sleep helps to establish memories of emotional information.
D. The brain checks and expands its nerve connections during REM sleep.

59. REM sleep is beneficial because the locus coeruleus is _____ during that sleep stage, and this improves the functioning of neurons that use _____ in the brain. 
A. active; norepinephrine
B. active; glutamate
C. inactive; norepinephrine
D. inactive; glutamate

60. Jacob is dreaming. If this is all the information that you have, you can state that Jacob 
A. is definitely in REM sleep.
B. is not in REM sleep.
C. is probably in REM sleep.
D. probably has night terrors.

 

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