<prompt> Glucose in CSF13 of blood glucose12 of blood glucose23 of blood glucoseNone  <response>: Glucose level in CSF: 64mgdL Plasma: 100mgdL CSFPlasma ratio turns out to be: 0.64 Which is closer to 230.66 Ref:Ganongs Review of medical physiology;23 rd edition ; pg : 571 ; table 34-2. 