A new antidepressant drug primarily inhibits the reuptake of both serotonin and norepinephrine from the synaptic cleft. How would this drug be classified?

The correct answer to the question "A new antidepressant drug primarily inhibits the reuptake of both serotonin and norepinephrine from the synaptic cleft. How would this drug be classified?" is Option C: Serotonin-Norepinephrine Reuptake Inhibitor (SNRI).

The other options — A) Monoamine Oxidase Inhibitor (MAOI), B) Selective Serotonin Reuptake Inhibitor (SSRI), D) Tricyclic Antidepressant (TCA) — are incorrect for this USMLE Exam Prep question. As explained above: SNRIs specifically block the reuptake of both serotonin and norepinephrine, increasing their concentrations in the synaptic cleft. SSRIs only block serotonin reuptake, while TCAs have broader recepto…