This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Escitalopram is a \nSelect and explain. \nA. Selective serotonin reuptake inhibitor., B. Nonspecific norepinephrine uptake inhibitor, C. Atypical Antideppressants, D. MAO Inhibitors', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Selective serotonin reuptake inhibitor # Mechanism of action of Escitalopram: Highly potent blockade of serotonin reuptake transport mechanism S CT without its inactive R-enantiomer.> Selective serotonin reuptake inhibitors: include Citalopram, Escitalopram, Fluoxetine, Fluvoxamine, Paroxetine, Sertraline, Venlafaxine. Norepinephrine uptake inhibitors: Amitriptyline, Clomipramine, Doxepin, Imipramine, Desipramine.Trimipramine, Amoxapine, Maprotiline, Nortryptalline, protyptalline. Atypical Antideppressants: Amoxapine. Atomoxetin, Maprotiline, Trazodone and Bupropion, Venlafaxine, Mirtazapine, Nefazodone, and Duloxetine. MAO Inhibitors: Tranylcypromineto phenelzine, Selegiline', 'role': 'assistant'}]