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
Rivastigmine & donepezil are drugs used predominantly in the management of ? 
Select and explain. 
A. Depression, B. Dissociation, C. Delusions, D. Dementia
D: Dementia
Answer: D: Dementia 
Explanation: Ans. is 'd' i.e., Dementia Rivastigmine, Donepezil, Galantamine and tacrine all are central cholinesterase inhibitors and are used in senile dementia of Alzheimer's desease.