In depression, anxiety is triggered by what neurotransmitter?

a. acetylcholine

b. norepinephrine

c. dopamine

d. GABA

option D: GABA (gamma-aminobutyric acid)

Explanation:

The amount of neurotransmitters released during depression can not be properly measured. The neurotransmitters released due to anxiety are GABA, serotonin, Cck, and glutamate.

The rise in level of neurotransmitter, GABA in depression causes anxiety. Thus, option D is correct.