Which part of the brain is affected first by alcohol consumption?

Which part of the brain is affected first by alcohol consumption?
 
  a) medulla
  b) cerebellum
  c) frontal lobes
  d) occipital lobes

Question 2

Which form of alcohol is safe for humans to consume?
 
  a) ethanol
   b) wood alcohol
   c) methyl alcohol
   d) isopropyl alcohol

Question 3

Among severely depressed patients who have not responded to antidepressant medications, what percentage show marked improvement after electroconvulsive therapy?
 
  a) 10
  b) 30
  c) 50
  d) 70

Question 4

Tryptophan depletion has been used to
 
  a) lower serotonin levels.
  b) examine dopamine receptors.
  c) deplete norepinephrine levels.
  d) raise sensitivity for serotonin.

Question 5

What do alcohol, tranquilizing drugs, amphetamines, and heroin have
  in common?
 
  a) Overdose can result in death.
   b) They cause delusional thinking.
   c) They can cause long-term coma.
   d) The abuser experiences hallucinations.