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: Pathology
[{'content': "The nucleus involved in Alzheimer's disease is ? \nSelect and explain. \nA. Basal nucleus of Mayernet, B. Raphe nucleus, C. Superior salivary nucleus, D. Basal lobe of cerebellum", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' i.e., Basal nucleus of Mayernet Alzheimer disease o Alzheimer disease (AD) is the most common cause of dementia in the elderly. o Alzeimer's disease is associated with a decrease in cerebral coical levels of Acetylcholine. o Reduction of Acetylcholine is releated to degeneration of cholinergic neurons that project to many areas of coex. o This degeneration occurs in the nucleus basalis of Meyernet.", 'role': 'assistant'}]