Stages of sleep are easily distinguished by A) changes in ...

[erika]

Stages of sleep are easily distinguished by
 
  A) changes in respiration.
  B) the quality and quantity of dreams.
  C) changes in the electrical activity of the brain.
  D) changes in consciousness.
  E) changes in motor movements.

Question 2

The only movements that are characteristic of sleep involve
 
  A) the tongue.
  B) rapid movements of the eyes.
  C) restlessness of the legs.
  D) slow movements of the neck.
  E) the fingers and arms.

[poopface]

Answer to Question 1

Answer: C
Rationale: Stages of sleep are easily distinguished by changes in the electrical activity of the brain.

Answer to Question 2

Answer: B

[erika]

Thanks for the timely response, appreciate it

[scikid]

YES! Correct, THANKS for helping me on my review