This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Which of the following is true about delirium? 
Select and explain. 
A. Clouding of consciousness, B. Disorientation, C. Visual perceptual disturbances, D. All are true
B: Disorientation
Answer: B: Disorientation 
Explanation: .