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Question Date: 19/08/2023


Question: CSF can be obtained from lumbar sac and from ventricles for analysis. What is the difference between CSF obtained from lumbar sca and ventricle?


Options:

  • There is no difference
  • CSF obtained from ventricle has lower proteins and higher glucose level from that obtained from lumbar sac
  • CSF obtained from ventricle has higher proteins and lower glucose level from that obtained from lumbar sac
  • CSF obtained from ventricle has lower proteins and similar glucose level from that obtained from lumbar sac


Correct Answer: CSF obtained from ventricle has lower proteins and higher glucose level from that obtained from lumbar sac


Explaination: CSF protein is lower in the ventricles than in the lumbar sac<br>CSF glucose level is higher in the ventricles than in the lumbar sac (even when infection is present)


Reference: CONTINUUM (MINNEAP MINN) 202127 (4, NEUROINFECTIOUS DISEASE)836854.