Posted by Alexis on December 08, 2021 at 22:28:52:
In Reply to: Lecture 58: Posterior Triangle posted by lae2 on December 05, 2021 at 13:36:21:
Posterior Triangle Answers (1-4 were repeats so we didn't include those)
5. The great auricular nerve is located posterior to the external jugular vein as both of these structures travel along the surface of the sternocleidomastoid muscle.
- true
6. The base of the posterior triangle is defined as the first rib.
- false ⇒ middle 1/3 of clavicle
7. The transverse cervical artery crosses the posterior triangle inferior to the crossing of the suprascapular artery.
- false
8. The spinal accessory nerve crosses the posterior triangle superior to the dorsal scapular nerve.
- true
9. The lesser occipital nerve ascends along the anterior margin of the sternocleidomastoid muscle toward the superior apex of the posterior triangle.
- false ⇒ posterior margin of SCM
10. The supraclavicular nerves share two spinal cord levels with the phrenic nerve.
- true