Homeostasis & sleep

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1. Under continuous light a normal human would

  • Maintain a sleep-wake cycle with a periodicity of less than 24 hours
  • Maintain a sleep-wake cycle with a periodicity of greater than 24 hours
  • Fail to maintain a sleep-wake cycle
  • maintain a sleep-waking cycle with a 24 hour periodicity
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2. what is NOT involved in Slow-wave sleep

  • Synchronized cortical activity
  • Dreams
  • Increased hormone secretion
  • Reduction in HR & BR

3. which is a Circannual rhythms

  • sleep/wake cycle
  • mating behavior
  • respiration
  • heart rate

4. "Mr Zzz has difficulty staying awake, and finds himself falling asleep at regular intervals during the day. He is likely to be diagnosed with"

  • Somnambulism
  • Narcolepsy
  • Partial arousal
  • insomnia

5. which statement is true

  • EEG of someone sleeping indicated that neurons in cortex are very quiescent
  • EEG of someone sleeping indicated that neurons are queicent and developing connections
  • EEG of someone sleeping indicated that neurons in cortex aren’t quiescent but very active
  • EEG of someone sleeping indicated that some neurons in the cortex die
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