BIOL 404-Exam 4-CNS 2

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kyleannkelsey
ID:
216426
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BIOL 404-Exam 4-CNS 2
Updated:
2013-04-28 18:59:28
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BIOL 404 Exam CNS
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BIOL 404-Exam 4-CNS 2
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  1. Numerous _________help with eth switch from wake to sleep.
    Hormones
  2. How much sleep do newborns and young babies need?
    17 hours
  3. How much sleep do children need?
    8 hours
  4. How much sleep do teenagers need?
    8-10 hours
  5. The circadian rhythm is partially regulated by what external cues?
    • Meals
    • Sunlight
  6. Is sleep time the same from person to person?
    No, varies widely the time needed
  7. Circadian rhythm and sleep duration is a function of what natural progression?
    Aging
  8. When do people have the most difficulty waking?
    In the dark
  9. When do people have the most difficulty falling asleep?
    During daylight
  10. Why does tryptophan have sleep inducing powers?
    It is a component of melatonin
  11. Why does warm milk have sleep inducing powers?
    • tryptophan
    • Warms body allowing it to cool, which induces sleep
  12. What type of rhythms would you expect when alert?
    Beta rhythms
  13. What type of rhythms would you expect when drowsy?
    alpha rhythms
  14. How long is one sleep cycle (from stage 1 through REM)?
    90-110 minutes
  15. What sleep stage is associated with Theta rhythms?
    Stage 1
  16. What rhythms are associated with sleep stage 1?
    • Theta rhythms             
  17. What sleep stage is associated with K-complexes and Sleep spindles?
    Stage 2
  18. What rhythms are associated with sleep stage 2?
    • K-complexes and Sleep spindles
  19. What sleep stage is associated with the Slow Wave Sleep, slow large amplitude waves low brain activity, and slow heart and respiratory rate?
    Stages 3 and 4
  20. What rhythms are associated with sleep Stages 3 and 4?
    • Slow Wave Sleep

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