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': 'Rivastigmine and Donepezil are drugs used predominantly in the management of : \nSelect and explain. \nA. Depression, B. Dissociation, C. Delusion, D. Dementia', 'role': 'user'}, {'content': "Answer: D \nExplanation: Rivastigmine, Donepezil, Tacrine, and Galantamine all are central cholinesterase inhibitors and are used in dementia of Alzheimer's disease.", 'role': 'assistant'}]