<prompt> All of the following are true regarding CSF abnormalities in multiple sclerosis except?CSF protein concentration is more than 100 mgdlCSF IgG index express ratio of IgG to albumin in CSF divided by the same ration in serumOligoclonal bands may be absent at onset of multiple sclerosisNumber of oligoclonal bands increase with time  <response>: The following CSF parameters point against a diagnosis of multiple sclerosis: Pleocytosis of more than 75 cellsml. Presence of polymorphonuclear lymphocytes. Protein concentration is elevated upto 100 mgdl. IgG index a comparison between IgG levels in theCSFand in the serum is elevated in manyMSpatients 