<prompt> Triad of normal-pressure hydrocephalus includes :Tremor, aphasia dementiaAtaxia, aphasia, gait disorderGait disorder, urinary incontinence, dementiaGait disorder, urinary incontinence, lower cranial nerve palsy  <response>: Answer is C Gait disorder, Urinary incontinence Dementia: Normal Pressure Hydrocephalus NPH is a communicating hydrocephalus with a patent aqueduct of sylvius, caused by obstruction to normal flow of CSF over the cerebral convexities and delayed absorption into the venous system. Clinical triad Abnormal gait Q Dementia Q Urinary incontinence Q Neuroimaging Enlarged lateral ventricles Q Hydrocephalus Q with little or No Coical-Atrophy Q CSF picture Pressure : High normal range Hence called NPH Q Protein : Normal Q Sugar : Normal Q Cell count : Normal Q 