KROK 1 2008 – Question 91 · KROK (Medicine) · Human Anatomy

The cerebrospinal fluid is being examined for the purpose of differential meningitis diagnostics. At what site is the lumbal puncture safe?

  1. A. L I-L II
  2. B. L II-L III
  3. C. L III-L IV
  4. D. Th XII-L I
  5. E. L V-S I
Hint

Recall at which vertebral level the adult spinal cord (conus medullaris) ends: the needle must enter the subarachnoid space below that level, where only the cauda equina floats in the fluid.

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