REST 3502 Final exam 2024/2025 with 100% correct answers
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REST 3502 Fi
Institution
REST 3502 Fi
Which of these is often seen after sleep deprivation? correct answersN3 and REM rebounds
Which of these stages is seen during the majority of the circadian rhythm? correct answersWake
REM sleep comprises approximately what percentage of the sleep period? correct answers25%
Which of these n...
Which of these is often seen after sleep deprivation? correct answersN3 and REM rebounds
Which of these stages is seen during the majority of the circadian rhythm? correct answersWake
REM sleep comprises approximately what percentage of the sleep period? correct answers25%
Which of these neurotransmitters does not activate the cerebral cortex? correct answersAll of these are
involved in activating the cerebral cortex.
Which of these suppresses REM? correct answersAlcohol
During what stage of sleep does the core body temperature drop? correct answersREM
Why is REM sleep often referred to as paradoxical sleep? correct answersThe body is paralyzed although
the EEG resembles a waking pattern.
Which of these is responsible for EEG arousals and awakenings? correct answersReticular activating
system
How many minutes is the length of the average human sleep cycle? correct answers90
The average adult spends approximately what percentage of total sleep time in stage N2? correct
answers
Which of the following is not part of the narcolepsy tetrad? correct answersNocturnal myoclonus
,Which of these EEG waveforms is seen as a result of signals from the thalamus being blocked? correct
answersSleep spindles
Which of these structures of the brain does not play a major role in REM sleep? correct answersRaphe
nuclei
What might be seen in a patient with lesions in the suprachiasmatic nucleus? correct answersAltered
circadian rhythm
Which mammal sleeps with half of its brain at a time to increase survival? correct answersDolphin
Which of these often leads to sleep-onset REM periods in normal sleepers? correct answersREM
deprivation
Skeletal muscles during REM sleep are correct answersparalyzed
Stage N1 comprises approximately what percentage of the sleep period? correct answers5-10%
Which of these is not a common characteristic of normal REM sleep? correct answersIncreased muscle
tone
During what part of the night is N3 the most prevalent? correct answersThe first third
Which of these structures is responsible for sending signals from the body to the cortex? correct
answersThalamus
In which age group are nocturnal sleep and daytime alertness usually at optimal levels? correct
answersChildren
What does blood pressure do during sleep? correct answersdecreases
, The human circadian rhythm oscillates approximately every correct answers90 minutes
Which of the following statements regarding sleep and aging is true? correct answersN3 decreases with
age.
REM sleep is dominant during which portion of the night? correct answersFinal third
Which of the following is true regarding sleep in old age? correct answersREM occupies about 25% of
total sleep time from ages 20 through 70.
Which of these stages of sleep is considered to be a transitional stage of sleep? correct answersN1
Which of these is considered to be the circadian rhythm oscillator? correct answersSuprachiasmatic
nucleus
Which of these statements is true regarding blood pressure in REM sleep? correct answersIt increases
during REM sleep.
Which of these is not characteristic of REM sleep? correct answersStabilization of blood pressure
Approximately what percentage of the total sleep time is spent in REM? correct answers25%
Which structure of the brain blocks signals from the thalamus to the cortex? correct answersReticular
activating neurons
Which of these medical conditions can lead to insomnia during infancy? correct answersAll of the above
(Food allergies
Gastroesophageal reflux
Otitis media)
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