Extremely low levels of dopamine activity are associated with

Extremely low levels of dopamine activity are associated with
 
  a. muscle rigidity, tremors, and impaired judgment.
 b. schizophrenia.
 c. pleasure seeking.
 d. exploratory behaviors.

Question 2

Extremely high levels of GABA are associated with
 
  a. decreased anxiety.
 b. increased depression.
  c. increased anxiety.
 d. decreased depression.

Question 3

Extremely low activity levels of serotonin are associated with
 
  a. aggression, suicide, and impulsive behavior.
 b. schizophrenia.
 c. anxiety disorders and general feelings of nervousness.
  d. mania.

Question 4

The neurotransmitter associated with both schizophrenia and Parkinson's disease is
 
  a. GABA.
 b. norepinephrine.
  c. dopamine.
 d. serotonin.

Question 5

The neurotransmitter thought to regulate or moderate certain behavioral tendencies rather than directly influencing specific patterns of behavior or psychological disorders is
 
  a. norepinephrine.
 b. GABA.
 c. dopamine.
 d. serotonin.

Question 6

The neurotransmitter associated with the inhibition of anxiety is
 
  a. norepinephrine.
  b. dopamine.
 c. serotonin.
 d. GABA.