Re: Lecture 60: Root of Neck - True False

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: Root of Neck Answers : 1. The apex of the vertebral triangle is at the transverse process of C5. : - false ⇒ C6 : 2. A cervical rib may be present at C7. : - true : 3. Compression of the contents of the interscalene triangle may occur if a cervical rib is present. : - true : 4. The vertebral artery is typically the most proximal branch of the subclavian artery. : - true : 5. The thyrocervical trunk is medial to the anterior scalene muscle and, thus, is in the vertebral triangle. : - true : 6. The inferior thyroid artery crosses anterior to the longus colli muscle and posterior to the carotid sheath. : - true : 7. The three parts of the subclavian artery are referenced to the pectoralis minor muscle. : - false ⇒ anterior scalene : 8. The thyrocervical trunk and vertebral artery arise from the superior margin of the subclavian artery. : - true : 9. The costocervical trunk arises from the posterior margin of the subclavian artery. : - true : 10. The internal thoracic artery arises from the inferior margin of the subclavian artery. : - true : 11. The vertebral artery enters the transverse process of the C7 along with the vertebral vein. : - false ⇒ C6 : 12. The inferior cervical ganglion is often fused with the T1 sympathetic trunk ganglion to form the stellate ganglion. : - true : 13. The ansa subclavia innervates the infrahyoid muscles. : - false ⇒ ansa cervicalis : 14. The internal carotid nerve enters the carotid canal to then ramify around the internal carotid artery and form the internal carotid plexus. : - true : 15. The internal carotid nerve is a superior extension of the superior cervical sympathetic trunk ganglion. : - true : 16. The interscalene triangle contains the brachial plexus and the subclavian artery. : - true : 17. The suprapleural membrane extends superior to the level of the first rib. : - true

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