Q:

Sleep is associated with

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Sleep is associated with.


  1. An alpha rhythm in the electroencephalogram.
  2. Increased activity in the reticular activating system.
  3. A high level of vagal tone to the heart.
  4. Grinding movements of the teeth.
  5. A rise in central body temperature.

All Answers

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 A. False The alpha rhythm disappears during sleep.

B. False Activity decreases; increased activity is associated with alertness.

C. True This maintains a slow heart rate during sleep.

D. True Teeth-grinding is associated with REM sleep and is called bruxism.

E. False This tends to drop during the early hours of sleep

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