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Re: Lecture 56-57: Cervical Fascia and Spaces - True False

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Posted by lae2 on December 09, 2021 at 20:10:10:

In Reply to: Re: Lecture 56-57: Cervical Fascia and Spaces - True False posted by Alexis on December 08, 2021 at 22:26:19:

: Lecture 56-57: Cervical Fascia Answers (Alexis, Laura, Lexi, Opeyemi, Kristina, David)
: 1. The superficial cervical fascia, but not the prevertebral or the pretracheal fascia, envelops the strap muscles.
: - true. Correct.
: 2. The axillary artery, but not the subclavian vein passes through the interscalene triangle.
: true ⇒ subclavian vein is superficial. Correct.
: 3. The posterior scalene muscle is the posterior boundary of the interscalene triangle.
: false ⇒ posterior boundary is middle scalene muscle. Correct.
: 4. The superficial cervical fascia has a superior attachment at the superior nuchal line.
: true. Correct.
: 5. Posterior to the buccopharyngeal fascia and anterior to the alar layer of prevertebral fascia is the "danger" space.
: false ⇒ the alar layer is anterior to the danger space, not the other way around, also prevertebral layer of deep cervical fascia is deep to the danger space. Correct.
: 6. Immediately anterior to the alar layer of prevertebral fascia is the retropharyngeal space.
: true. Correct.
: 7. The carotid sheath receives contributes from each of the named deep cervical fasciae.
: true. Correct.
: 8. The vagus nerve, within the carotid sheath, lies anterior to the common carotid artery.
: false ⇒ vagus lies posterior to the common carotid artery within the sheath. Correct.
: 9. The internal jugular vein, within the carotid sheath, lies lateral to the common carotid artery.
: true. Correct.
: 10. The prevertebral fascia splits in either side of the manubrium and forms the suprasternal space.
: false ⇒ superficial cervical fascia. Correct.
: 11. The superficial cervical fascia is deep cervical fascia.
: true. Correct.
: 12. The long thoracic nerve typically pierces the posterior scalene muscle inferior to the dorsal scapular nerve.
: false ⇒ goes anterior to the posterior scalene. Correct. Middle scalene in both cases.
: 13. The most inferior attachment of the superficial cervical fascia, at the vertebral spines, is at the spine of the second thoracic vertebra.
: false ⇒ attaches to acromion. Correct. But spine of C7.
: 14. The tracheoesphageal groove is within the pretracheal fascia.
: true. Correct.
: 15. The spinal accessory nerve enters the posterior triangle superior to the supraclavicular nerves.
: true. Correct.
: 16. The phrenic nerve crosses the anterior scalene deep to pretracheal fascia.
: true. Inorrect. Deep to prevertebral fascia.
: 17. The inferior thyroid artery passes the posterior aspect of the carotid sheath.
: true. Correct.
: 18. The suprascapular and transverse cervical arteries cross the anterior scalene superficial to the prevertebral fascia.
: true. Correct.
: 19. The axillary sheath is a diverticulum of the prevertebral fascia.
: true. Correct.
: 20. The external jugular vein is formed by the confluence of the retromandibular vein and the facial vein.
: false ⇒ retromandibular v. & post. auricular v.. Correct.
: 21. The maxillary vein, by way of the pterygoid venous plexus, communicates with the cavernous sinus.
: true. Correct.
: 22. Veins of the orbit provide communication between the region of the face and the cavernous sinus.
: true. Correct.
: 23. The facial vein and its tributaries are considered to be valveless.
: true. Correct.
: 24. The interval between the heads of origin of the sternocleidomastoid muscle provides a surface landmark for accessing the subclavian artery.
: true. Correct.
: 25. Infection within the pretracheal space may spread to the superior mediastinum.
: true. Correct.
: 26. Infection within the retropharyngeal space may spread to the posterior mediastinum.
: true. Correct.
: 27. Infection within the "danger" space may spread throughout the abdominopelvic cavity.
: false ⇒ stops at T12. Incorrect, continues retroperitoneal. Lateral arcuate ligament.
: 28. An intraoral object (toothbrush or pencil) that penetrates the "throat" might sever the internal carotid artery, introduce infection into the retropharyngeal space, and introduce infection into the "danger" space.
: true. Correct.

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