<prompt> All satements are true about papilloedema exceptCollection of extra-cellular fluidDisruption of neurofilamentStasis of exoplasmic transpoSwelling of the axon  <response>: B i.e. Disruption of neurofilament The pincipal pathophysiology of optic disc swelling is blockage of axoplasmic tranpoQ. It shows signs of edema without inflammation with collection of extra-cellular fluidQ. The nerve fibre of the optic nerve head are also swollen. 