This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Which of the following drug can prevent or delay the onset of Alzheimer disease? \nSelect and explain. \nA. Tacrine, B. NSAID, C. Donepezil, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Following drugs have been shown to prevent or delay Alzheimer's disease. a. Estrogen replacement therapy b. NSAID c. Selegiline Tacrine and donepezil are used in the treatment of Alzheimer's disease.", 'role': 'assistant'}]