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
Catastrophic reaction is a feature of- 
Select and explain. 
A. Dementia, B. Schizophrenia, C. Delirium, D. Anxiety
A: Dementia
Answer: A: Dementia 
Explanation: Catastrophic reaction is a feature of dementia.