Which biochemical substance can produce or exacerbate anxiety?

Which biochemical substance can produce or exacerbate anxiety?
 
  a. Serotonin
  b. GABA
  c. Progesterone
  d. Estrogen

Question 2

The most effective intervention for victims of mass trauma includes all of the following EXCEPT promotion of:
 
  a. sense of safety.
  b. hope.
  c. connectedness.
  d. forgiveness.

Question 3

For both medication and cognitive behavioral therapies, a critical factor for successful treatment of panic disorder is ____.
 
  a. keeping the patient calm at all times
  b. providing the patient with information about the disorder
  c. teaching the patient ways to relax in public
  d. assuring the patient that nothing is wrong