____ boost(s) serotonin levels in the brain which then often results in lowered anxiety and depression levels.
a. Norepinephrine c. SSRIs
b. GABA d. Dopamine
Question 2
____ has a high frequency of comorbidity (i.e., co-occurrence) with other anxiety disorders, major depressive disorder, and alcohol use disorderscalling some to question whether it is really a distinct syndrome.
a. PTSD c. Obsessive-compulsive disorder
b. Panic disorder d. Social phobia