This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-ophthalmology, Subject name: Ophthalmology
All satements 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: Though, papilloedema is a neurological emergency, it is not associated with disruption of neurofilament Where as, all the other features are present Collection of extracellular fluid Stasis of axoplasmic transpo Swelling of axon Ref AK khurana 6/e p 324