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
Which type of memory is relatively unaffected in delirium? 
Select and explain. 
A. Recent memory, B. Remote memory, C. Immediate memory, D. None of the above
B: Remote memory
Answer: B: Remote memory 
Explanation: Remote memory is relatively intact in delirium.