Which of the following statements regarding the serotonin system and trauma disorders is true?

Group of answer choices

5- HT stimulation of 5-HT1A receptors is anxiogenic.

Low activity of postsynaptic 5-HT1A receptors may facilitate recovery.

5- HT stimulation of 5-HT2 receptors relieves anxiety.

Low activity of postsynaptic 5- HT1A receptors may predispose to anxiety and depression