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 and Donepezil are drugs used predominantly in the management of : 
Select and explain. 
A. Depression, B. Dissociation, C. Delusion, D. Dementia
D: Dementia
Answer: D: Dementia 
Explanation: Rivastigmine, Donepezil, Tacrine, and Galantamine all are central cholinesterase inhibitors and are used in dementia of Alzheimer's disease.