The firing rates of cells within the locus coeruleus A) are ...

[TFauchery]

The firing rates of cells within the locus coeruleus
 
  A) are highest during REM sleep.
  B) decrease during sleep and increase at awakening.
  C) are unrelated to behavioral arousal.
  D) are suppressed by sleeping medications.
  E) alter EEG cortical arousal.

Question 2

Activation of ________ cells within the ________ produces arousal and reduced sleep.
 
  A) noradrenergic; locus coeruleus
  B) dopaminergic; preoptic area
  C) cholinergic; raphe
  D) serotonergic; SCN
  E) GABAergic; striatum

[nathang24]

Answer to Question 1

Answer: B
Rationale: The firing rates of cells within the locus coeruleus decrease during sleep and increase at awakening.

Answer to Question 2

Answer: A