A54 & A55: Anterior/Posterior Triangles Of The Neck

45 Questions | Total Attempts: 443

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A54 & A55: Anterior/Posterior Triangles Of The Neck

SGU Human Gross and Developmental Anatomy, Fall 2009 - Lectures 54 and 55: Anterior/Posterior Triangles of the NeckQuestions from lecture given by Dr. Burns


Questions and Answers
  • 1. 
    The posterior triangle of the neck is bounded by the clavicle, sternocleidomastoid, and ____ (Lecture 54/55, p. 2).
  • 2. 
    The trapezius and sternocleidomastoid are innervated by CN ___ (Lecture 54/55, p. 2).
  • 3. 
    The floor of the posterior triangle includes the scalene, omohyoid, levator scapulae, and the ___ ____ (Lecture 54/55, p. 3).
  • 4. 
    The roots of the brachial plexus can be found in the scalene gap between the middle and ____ scalene (Lecture 54/55, p. 3).
  • 5. 
    The superior belly of the omohyoid can be found in the ____ triangle of the neck (Lecture 54/55, p. 3).
  • 6. 
    The posterior triangle of the neck can be subdivided into the subclavian/omoclavicular/supraclavicular triangle and the ____ triangle (Lecture 54/55, p. 3).
  • 7. 
    The supraclavicular triangle contains the subclavian artery and subclavian vein as well as the ____ ____ (Lecture 54/55, p. 4).
  • 8. 
    The spinal accessory nerve, CN XI, can be found under the __________ muscle in the occipital part of the posterior triangle (Lecture 54/55, p. 4).
  • 9. 
    The ____ part of the posterior triangle is known as the "carefree" area due to its lack of nerves and vessels (Lecture 54/55, p. 4).
  • 10. 
    The anterior triangle is subdivided into the submental triangle, the ____ triangle, the carotid triangle, and the muscular triangle (Lecture 54/55, p. 5).
  • 11. 
    The ____ bone is the inferior border of the submental triangle (Lecture 54/55, p. 5).
  • 12. 
    The submandibular triangle includes the submandibular (salivary) gland, the facial artery and vein, and nerve to _____ (Lecture 54/55, p. 5).
  • 13. 
    The ____ triangle, a subdivision of the anterior triangle, is the location of the bifurcation of the common carotid to the internal and external carotid arteries (Lecture 54/55, p. 6).
  • 14. 
    The deep infrahyoid (or "strap") muscles are the thyrohyoid and _____ muscles (Lecture 54/55, p. 6).
  • 15. 
    The superficial infrahyoid muscles are the omohyoid and ____ muscles (Lecture 54/55, p. 6).
  • 16. 
    The omohyoid, sternohyoid, and sternothyroid muscles are innervated by ____ _____ (Lecture 54/55, p. 6).
  • 17. 
    The cervical plexus is formed from the _____ rami of C1 to C4 (Lecture 54/55, p. 7).
  • 18. 
    The thyrohyoid motor branch of the cervical plexus is made from the ventral rami of ___ via CNXII (Lecture 54/55, p. 7).
  • 19. 
    ___ ____ is a motor branch of the cervical plexus made from the ventral rami of C1, C2, and C3.
  • 20. 
    The great _____ cutaneous branch of the cervical plexus is made from the ventral rami of C2 and C3 (Lecture 54/55, p. 8).
  • 21. 
    The ___ _____ cutaneous branch of the cervical plexus is made from the ventral ramus of C2 (Lecture 54/55, p. 8).
  • 22. 
    The transverse _____ cutaneous branch of the cervical plexus is made from the ventral rami of C2 and C3 (Lecture 54/55, p. 8).
  • 23. 
    The _____ cutaneous branch of the cervical plexus is made from the ventral rami of C3 and C4 (Lecture 54/55, p. 8).
  • 24. 
    Deep cervical fascia has four layers: the investing layer, pretracheal layer, ____ layer, and the alar fascia and carotid sheath layer (Lecture 54/55, p. 10).
  • 25. 
    The investing layer of the deep cervical fascia surrounds the sternocleidomastoid muscle and ____ (Lecture 54/55, p. 10).
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