CNS Spinal Cord Anatomy Quiz

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Questions and Answers

Where does the spinal cord end in adults?

  • At the upper border of C1 vertebra
  • At the level of highest points of iliac crests
  • At the lower end of coccyx
  • At the lower border of L1 (correct)

What is the shape of the spinal cord at the lumbar enlargement?

  • Irregular
  • Cone-like
  • Spherical
  • Cylindrical (correct)

Where does the middle meninges (arachnoid) end?

  • Opposite S2 (correct)
  • At the level of highest points of iliac crests
  • At the lower end of spinal cord
  • At the upper border of C1 vertebra

What is the purpose of a lumbar puncture?

<p>Obtaining a cerebro-spinal fluid (CSF) sample (C)</p> Signup and view all the answers

Where is the needle inserted during a lumbar puncture?

<p>Below or above tip of L4 spine (A)</p> Signup and view all the answers

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