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Beta brain wave activity is not a reliable indicator of being awake because


A) this pattern is seen in children but not adults.
B) this brain wave pattern also appears during sleep.
C) this wave form waxes and wanes during the day.
D) it can be induced by certain drugs such as alcohol.
E) This wave form is recorded in coma victims.

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Light is the primary zeitgeber for most mammals' activity cycles.

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The rebound phenomenon noted after deprivation of REM sleep suggests that


A) there is a physiological need for stage 1 slow-wave sleep.
B) the function of REM sleep is to rest the brain.
C) emotional wellbeing requires slow-wave sleep.
D) there is a physiological need for a certain amount of REM sleep.
E) dreaming is not a function of REM sleep.

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In the text example of narcolepsy,the Doberman dog showed cataplexy while


A) playing with each other.
B) eating.
C) drinking.
D) engaging in reproductive behavior.
E) running along the beach.

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Which statement about sleep is false?


A) REM sleep patterns are similar in all species.
B) Sleep is a useful behavior.
C) Everyone dreams.
D) All vertebrates show sleep.
E) Mammals and birds show signs of REM sleep.

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Cataplexy may be brought on by


A) strong emotions or physical exertion.
B) overuse of caffeine.
C) high blood levels of carbon dioxide in the blood.
D) damage to neurons that initiate REM sleep.
E) staying awake for long periods of time.

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A person who travels across several time zones is likely to experience


A) jet lag.
B) elevated secretion of melatonin at night.
C) a craving for chocolate.
D) a permanent change in mood and sleep pattern.
E) a desire to take on a factory night job.

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In the bottlenose dolphin,slow-wave sleep occurs independently in the left and right hemispheres.

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Which of the following is not a disorder of slow-wave sleep?


A) somnambulism
B) night terrors
C) nocturnal enuresis
D) cataplexy
E) bedwetting

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________ is a sleep disorder that involves a buildup of carbon dioxide in the blood during sleep.


A) Situational insomnia
B) Sleep apnea
C) REM disorder
D) Narcolepsy
E) Cataplexy

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Which of the following is true of melanopsin?


A) Melanopsin in rods is a cue that resets SCN clock cells.
B) Melanopsin is found within cones but not rods.
C) Melanopsin activity is suppressed by light.
D) Melanopsin is found within ganglion cells.
E) Melanopsin is found within rods but not cones.

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A serious issue associated with sleeping medications is that


A) the use of sleeping pills can lead to a fatal form of insomnia.
B) people use these pills to get high.
C) their short duration of action does not ensure a full night of sleep.
D) these pills are in short supply, leaving some people without adequate insomnia treatment.
E) the use of sleeping pills can lead to daytime grogginess.

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REM sleep behavioral disorder is another name for sleepwalking.

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All of the following are characteristics of REM sleep EXCEPT


A) alternating delta and beta EEG activities.
B) loss of muscle tonus.
C) presence of beta wave EEG activity.
D) occasional twitching.
E) rapid eye movements.

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Which of the following are true of neurons within the ventrolateral preoptic area (vlPOA) ?


A) Damage to the vlPOA produces sleepiness.
B) Excitotoxic lesions of the vlPOA in cats increased sleep.
C) vlPOA neurons have a low firing rate during sleep.
D) Electrical stimulation of vlPOA neurons produces signs of drowsiness.
E) vlPOA neurons secrete glutamate to excite regions that control arousal.

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The ________ pattern of EEG activity is characterized by irregular,high-frequency (13-30 Hz) ,low-amplitude waves.


A) beta
B) delta
C) theta
D) sleep spindle
E) alpha

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The neurons that turn on REM sleep are located in the


A) pons.
B) occipital cortex.
C) suprachiasmatic nucleus.
D) globus pallidus.
E) preoptic area.

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Disruption of the hypocretin gene produces symptoms of narcolepsy.

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Changes in blood flow to the genitals are noted during ________ and can be used clinically for the diagnosis of ________.


A) slow-wave sleep; cardiac failure
B) the day hours; hypertension
C) REM sleep; impotence
D) non-REM sleep; narcolepsy
E) the day hours; cocaine abuse

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________ is(are) the result of degeneration of hypocretin neurons in the brain.


A) Narcolepsy
B) Insomnia
C) Sleep attacks
D) Night terrors
E) Iatrogenic insomnia

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