<prompt> Antidepressant which is a Presynaptic a-2 receptor blocker which enhance secretion of both norepinephrine and serotonine ?TrazodoneMiazapineMianserineBupropion  <response>: Ans. isbi.e., Miazapine MiazapineIt blocks alpha-2 auto-receptors on NA neurons and heteroreceptors on 5HT-neurons 