A major problem for the use of lithium in psychiatry is that ...

[jparksx]

A major problem for the use of lithium in psychiatry is that
 
  a. lithium dulls thought processes.
  b. there is a narrow therapeutic index for lithium.
  c. lithium may not work in up to 50 percent of patients.
  d. lithium is an expensive treatment.
  e. lithium reduces appetite and body weight.

Question 2

Brain activity in depressed individuals shows increased activity in the
 
  a. subgenual anterior cingulate cortex.
  b. ventromedial prefrontal cortex.
  c. dorsolateral prefrontal cortex.
  d. ventrolateral prefrontal cortex.
  e. anterior cingulate cortex.

[Melissahxx]

Answer to Question 1

Answer: b. there is a narrow therapeutic index for lithium.

Answer to Question 2

Answer: a. subgenual anterior cingulate cortex.