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Suboccipital Region, Vertebral Canal, and Spinal Cord - True/False

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Posted by lae2 on October 31, 2017 at 12:20:07:

Suboccipital Region, Vertebral Canal, and Spinal Cord - True/False

1. The thoracic and sacral curvatures are kyphotic.
2. The orientation of the thoracic facets are more favorable than the orientation of the lumbar facets.
3. The posterior longitudinal ligament defines, in part, the anterior border of the spinal canal.
4. The ligamentum flavum defines, in part, the posterior border of the vertebral foramen.
4. The anterior and posterior longitudinal ligament resist extension and add support to the intervertebral disc.
5. The pedicles define, in part, the lateral border of the spinal canal.
6. Lateral extensions of the posterior longitudinal ligament support the annular surround of the intervertebral disc.
7. The spinal cord ends at vertebral level L1/2 and extensions of the cauda equina pass through the sacral hiatus.
8. The subarachnoid space, containing cerebral spinal fluid, ends with the dura arachnoid maters collapsing onto pia matter at the vertebral level of S2.
9. Filum terminale externum passes through the sacral hiatus.
10. Filum terminale internum ends at vertebral level S2.
11. The cervical and lumbar enlargements give rise to the cervical and brachial plexus; and the lumbar and sacral plexus, respectively.
12. A needle that enters the subarachnoid space passed through the epidural space.
13. A needle that enters and stops at the epidural space passed through the subarachnoid space.
14. The anterior spinal artery is formed by branches from the left and right vertebral arteries.
15. Radicular arteries arise from posterior intercostal, lumbar, and lateral sacral arteries.
16. Occlusion of the artery of Adamkiewicz, resulting from surgical procedures, is expected to cause paraplegia.
17. The internal and external vertebral venous plexus, collectively, provide a shunt across the caval veins.
18. Venous spread of metastatic disease may enter the internal vertebral plexus and cause bone metastasis of the vertebral column.
19. The denticulate ligaments are specializations of the arachnoid mater that help stabilize the spinal cord to the lateral wall of the spinal canal.
20. The suboccipital nerve (dorsal ramus of C1) provides motor innervation to the muscles of the suboccipital triangle and does not have a cutaneous distribution.


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