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Spinal Cord Anatomy Quiz

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Questions and Answers

How many segments is the spinal cord differentiated into?

8 cervical, 12 thoracic, 6 lumbar, 5 sacral and 1 coccygeal

8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal (correct)

8 cervical, 11 thoracic, 5 lumbar, 5 sacral and 1 coccygeal

7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal

Which vertebral level does the spinal cord end at in an adult?

At the level of L3 vertebra

At the level of the coccyx

At the level of L4 vertebra

At the level of the disc between L1/2 vertebrae (correct)

Which enlargement corresponds to the origin of the brachial plexus?

Lumbosacral enlargement extending from L3 to S1

Lumbosacral enlargement extending from L1 to S3

Cervical enlargement extending from C2 to C6

Cervical enlargement extending from C5 to T1 (correct)

At what vertebral level does the spinal cord end at birth?

<p>At the level of L3 vertebra (C)</p> Signup and view all the answers

Which sulcus of the spinal cord is the deepest?

<p>Anterior median fissure (B)</p> Signup and view all the answers