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': 'Venlafaxine comes under which class of drugs: \nSelect and explain. \nA. Selective serotonin reuptake inhibitor, B. Serotonergic noradrenergic reuptake inhibitor, C. Tricyclic antidepressant, D. Serotonin receptor antagonist', 'role': 'user'}, {'content': "Answer: B \nExplanation: (Ref: Goodman & Gillman's 13th ed. P 268)* Five medications with a nontricyclic structure that inhibit the reuptake of both 5HT and NE have been approved for use in the US for treatment of depression, anxiety disorders, pain, or other specific conditions. The drugs are:# Venlafaxine and its demethylated metabolite desvenlafaxine# Duloxetine# Milnacipran, and# LevomilnacipranMn: Vania Duals My Love", 'role': 'assistant'}]