________ is(are) a component of REM sleep. A) Decreased blood ...

[meagbuch]

________ is(are) a component of REM sleep.
 
  A) Decreased blood flow to the genitals
  B) Muscle spasms
  C) Low cerebral metabolism
  D) Desynchronized EEG activity
  E) Cold, unemotional dreams

Question 2

Activation of adenosine receptors may increase sleep by
 
  A) excitation of hypocretin neurons in the lateral hypothalamus.
  B) inhibition of the ventrolateral preoptic area.
  C) inhibition of neurons that normally inhibit the vlPOA.
  D) activation of histamine neurons.
  E) inactivation of serotonin neurons.

[snackralk]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: C
Rationale: Activation of adenosine receptors may increase sleep by inhibition of neurons that normally inhibit the vlPOA.

[meagbuch]

Thanks for the timely response, appreciate it

[irishcancer18]

Excellent