This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'Fenfluramine is used in \nSelect and explain. \nA. Obesity, B. Malignancy, C. Hypertension, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Obesity # Medications for the treatment of obesity can be classified as catecholaminergic or serotonergic.> Catecholaminergic medications include Amphetamines (with high abuse potential);> The Non-Amphetamine schedule IV appetite suppressants - Phentermine, Diethyl propion & Mazindol.> The September 1997 withdrawal from the market of Flenfluramine & Defenfluramine has made true serotonergic appetite medications unavailable.> The SSRI antidepressants, E.g.., Fluoxetine & Setraline, also have serotonergic activity but are not approved by the FDA for weight loss.', 'role': 'assistant'}]