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
Fundoscopic featuresof papilledema indude all the following except - 
Select and explain. 
A. Ill- defined disc margin, B. Deep physiological cup, C. Absent venous pulsation, D. Bending of blood vessels
B: Deep physiological cup
Answer: B: Deep physiological cup 
Explanation: Clinical features of papilloedema can be described under four headings. 1.Early papilloedema. 2.established papilloedema 3.chronic or long standing 4.atrophic papilloedema Clinical features include: *obscuration of disc margin.Absence of venous pulsation at disc. Physiological cup of optic is obliterated. Multiple cotton wool spots and superficial haemorrhages . Veins become touous and engorged. Paton's lines