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
Donepezil is used in treatment of - 
Select and explain. 
A. Alzheimer's dementia, B. Schizophrenia, C. Anxiety disorder, D. Depression
A: Alzheimer's dementia
Answer: A: Alzheimer's dementia 
Explanation: None