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: Ophthalmology
All statements are true about papilloedema except: 
Select and explain. 
A. Collection of extra-cellular fluid, B. Disruption of neurofilament, C. Stasis of axoplasmic transpo, D. Swelling of the axon
B: Disruption of neurofilament
Answer: B: Disruption of neurofilament 
Explanation: Ans. Disruption of neurofilament