This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs (C.N.S.), Subject name: Medicine
[{'content': "Rivastigmine is given in? \nSelect and explain. \nA. Parkinsonism, B. Alzheimer's disease, C. Schizophrenia, D. Anxiety", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Alzheimer's diseaseRef: Harrison 19th ed. / 2617* Rivastigmine is a reversible inhibitor of both the acetylcholinesterase and butyrylcholinesterase enzymes.* It is used for the treatment of Alzheimer's ,as well as for the treatment of dementia associated with Parkinson's disease. This drug is available as a skin patch that provides continuous delivery of the drug over 24 hours", 'role': 'assistant'}]