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': "Therapeutic indication of Donepezil: \nSelect and explain. \nA. Parkinsonism, B. Alzheimer's, C. Multiple sclerosis, D. Myasthenia gravis", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B. Alzheimer'sDonepezil, rivastigmine and galantamine are the drugs given in case of Alzheimer's, they are cerebro selective anticholinesterase which increase the level of acetylcholine in the cortex.", 'role': 'assistant'}]