This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Transmitters mainly involved in OCN is \nSelect and explain. \nA. GABA, B. NE, C. Dopamine, D. Serotonin', 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e. SerotoninOCN involves Serotonin (5-HT) system, so fluoxetine (SSRI) is DOC.DiseaseRelated NeurotransmitterAlzheimer'sdisease- Acetyl cholineQ & Nor epinephrine are hypoactive- So anticholine-esterase - TacrineQ is used in treatment.DepressionNorepinephrine, Serotonin (5-HT)Q & Dopamine are reducedOCNSerotonin (5 117)(2SchizophreniaDopamine, Serotonin & Norepinephrine are ted(2", 'role': 'assistant'}]