Vortioxetine is classified as a 'serotonin modulator and stimulator' because it inhibits SERT and also acts as a:
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Correct answer: 5-HT1A receptor agonist and 5-HT3 antagonist
Vortioxetine has a multimodal mechanism. In addition to SERT inhibition, it acts on several serotonin receptor subtypes (agonist at 5-HT1A, partial agonist at 5-HT1B, and antagonist at 5-HT3, 5-HT1D, and 5-HT7), which may improve cognitive symptoms of depression.
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