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: Social & Preventive Medicine
Papilledema is caused by 
Select and explain. 
A. Vitamin D intoxication, B. Vitamin A intoxication, C. Vitamin E intoxication, D. Vitamin B intoxication
B: Vitamin A intoxication
Answer: B: Vitamin A intoxication 
Explanation: None