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PA Recertifying Exam PANRE Practice Exam

Category - PANRE Practice Test

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The CSF analysis report of a 30-year-old man with meningitis reveals the following findings:

CSF opening pressure = 100 mm H2O
WBC count = 80 per mm3
Cell differential = Predominance of lymphocytes
Protein = 75 mg/dL
CSF-to-serum glucose ratio: = normal to significantly decreased

Which type of meningitis is the most consistent with the results of the CSF analysis?
  1. Bacterial meningitis
  2. Viral meningitis
  3. Fungal meningitis
  4. Tubercular meningitis
Explanation
Answer - B - Viral meningitis is usually manifested by a normal CSF opening pressure, a WBC less than 100 per mm 3, normal to elevated protein, and normal CSF-to-serum glucose ratio. A predominance of lymphocytes distinguishes viral meningitis from bacterial meningitis, which is predominant with PMNs. Options C and D have low CSF-to-serum glucose ratio.
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