The reticular activating system is part of the ______.

The reticular activating system is part of the ______.
 
  a. parietal region c. midbrain
   b. prebrain d. occipital lobe

Question 2

According to Hippocrates, a person who is chronically sad and depressed is said to be ______.
 
  a. sanguine c. phlegmatic
   b. choleric d. melancholic

Question 3

Depressant drugs, such as alcohol, lower activity in the ______.
 
  a. reticular activating system c. cochlea
   b. amygdala d. optic chiasm

Question 4

Hippocrates labeled individuals that were quick-tempered, or bilious, as ______.
 
  a. sanguine c. phlegmatic
   b. choleric d. melancholic

Question 5

The ______ plays vital roles in regulating sleep, attention, and arousal.
 
  a. limbic system c. medulla
   b. reticular activating system d. cerebellum