Triangles & Root Of The Neck

17 Questions | Total Attempts: 804

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Triangles & Root Of The Neck

Questions and Answers
  • 1. 
    You should find the bifurcation of the common carotid into the external carotid and internal carotid in which triangle?
    • A. 

      Submental triangle

    • B. 

      Submandibular triangle

    • C. 

      Carotid triangle

    • D. 

      Muscular triangle

    • E. 

      Posterior triangle

  • 2. 
    A 16 year-old female experiences swelling and tenderness underneath her chin one week after getting her lower lip pierced. In which triangle is the inflammed structure located?
    • A. 

      Submandibular

    • B. 

      Submental

    • C. 

      Muscular

    • D. 

      Carotid

  • 3. 
    Mr. Numair, who had surgery in the left carotid triangle complained to her physician that she has little sense of touch to the skin over the left side of her neck and difficulty swallowing. The patient's tongue is not affected. The physician suspects that the cervical plexus of nerves to the left side of her patient's neck was harmed during the surgical procedure. Loss of touch sensation to the skin over the anterior triangle would result from injury to which nerve?
    • A. 

      Lateral supraclavicular nerve

    • B. 

      Spinal accessory nerve

    • C. 

      Hypoglossal nerve

    • D. 

      Medial supraclavicular nerve

    • E. 

      Transverse cervical nerve

  • 4. 
    You are doing an elective rotation in the Emergency department and have been closely monitoring a patient who was brought in earlier for cardiopulmonary arrest (“code blue”). The Emergency Medicine resident asks you to place a central venous catheter (line) in the right internal jugular vein. Which of the following external landmarks should be used in order to place the catheter?
    • A. 

      The right and left axillary arteries

    • B. 

      The clavicular and sternal heads of the sternocleidomastoid muscle

    • C. 

      The anterior scalene muscle and the clavicular head of the sternocleidomastoid muscle

    • D. 

      The anterior scalene muscle and the sternal head of the sternocleidomastoid muscle

    • E. 

      The clavicle and the sternal head of the sternocleidomastoid muscle

  • 5. 
    A 67-year-old female presents in your clinic with symptoms of malaise, fever, weight loss, miosis, anhidrosis and ptosis. You elicit a detailed H&P and discover your patient has a 50-pack-year history of cigarette smoking. You decide to order blood work and a chest radiograph. The results of the chest radiograph are displayed below. Which of the following is the most likely diagnosis for the patient’s presenting symptoms and physical findings.
    • A. 

      Thoracic outlet syndrome

    • B. 

      Pulmonary fibrosis

    • C. 

      Emphysema

    • D. 

      Cervical rib syndrome

    • E. 

      Pancoast tumor

  • 6. 
    Which of the following nerves are responsible for relaying information to/from the carotid sinus?
    • A. 

      Cervical Sympathetic Fibers

    • B. 

      Vagus Nerve

    • C. 

      CN X and CN IX

    • D. 

      CN IX only

  • 7. 
    A patient presents with a large goiter of the thyroid. In which Anterior neck triangle is this gland found?
    • A. 

      Muscular Triangle

    • B. 

      Submental Triangle

    • C. 

      Carotid Triangle

    • D. 

      Submental Triangle

  • 8. 
    In ascending order, from the bifurcation of the carotid superiorly, the arteries that branch off of the external carotid are…
    • A. 

      Superior thyroid, ascending pharyngeal, facial, lingual, occipital, posterior auricular, maxillary, superficial temporal.

    • B. 

      Superior thyroid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, maxillary, superficial temporal

    • C. 

      Superior thyroid, ascending pharyngeal, lingual, facial, posterior auricular, occipital, maxillary, superficial temporal.

    • D. 

      Superior thyroid, lingual, ascending pharyngeal, facial, posterior auricular, occipital, maxillary, superficial temporal.

  • 9. 
    The muscle compromising the lateral border of the anterior cervical triangle has its most superior attachment where?
    • A. 

      C1

    • B. 

      C2

    • C. 

      Styloid process

    • D. 

      Mastoid process

    • E. 

      Occipital protuberance

  • 10. 
    A soccer player gets a blow to the head, specifically the posterior triangle area; you as a physician notice weakness of the right SCM . A most likely associated finding to be found in this patient is:
    • A. 

      Pain / weakness of masseter muscle

    • B. 

      Decreased sensation on the contralateral face

    • C. 

      Decreased sensation on the ipsilateral neck

    • D. 

      Weakness of the Traps (Trapezius muscle)

  • 11. 
    A patient needs to be cutaneously anesthetized over the parotid gland to the mastoid process to drain an abscess. What cutaneous branch and nerve roots are responsible for this area?
    • A. 

      Lesser occipital n., C2 C3

    • B. 

      Transverse cervical n., C2 C3

    • C. 

      Greater auricular n., C2 C3

    • D. 

      Lesser occipital n., C2

  • 12. 
    You are performing a surgical dissection of the carotid triangle in attempt to control lymph node metastasis. During the surgery you visualize the anterior scalene muscle, and make sure to avoid severing a structure passing directly anteriorly to the muscle as it crosses the rib. What is this structure?
    • A. 

      Vagus nerve

    • B. 

      Subclavian artery

    • C. 

      Common carotid artery

    • D. 

      Phrenic nerve

    • E. 

      Internal jugular vein

  • 13. 
    During a venous catheterization procedure, you are asked to find the best route of entry. You locate the internal jugular vein and your colleague asks which muscle did you use to locate this vein. Which muscle did you reply?
    • A. 

      Upper portion of trapezius

    • B. 

      Anterior scalene

    • C. 

      Omohyoid

    • D. 

      Sternocleidomastoid

    • E. 

      Digastric

  • 14. 
    A man chokes a woman, she presents with inability to speak clearly. Physical Exam shows an inability to elevate the hyoid symmetrically and bilaterally which of the following sites of fracture is most likely to produce such a deficit?
    • A. 

      Central

    • B. 

      Lesser horn

    • C. 

      Greater horn

    • D. 

      Flabella

  • 15. 
    An abscess on the lateral aspect of the tongue drains into lymph nodes in which triangle?
    • A. 

      Submental triangle

    • B. 

      Submandibular triangle

    • C. 

      Carotid triangle

    • D. 

      Muscular triangle

    • E. 

      Posterior triangle

  • 16. 
    Mrs. Smith present to your clinic with a sore throat, dysphagia, odynophagia, neck pain, and dyspnea for the past 3 months. The patient is warm to touch and vital readings show a fever of 102 F. To investigate this patient further, you order a CBC with differential. Of significance in the report is an elevated white blood cell count; specifically neutrophils. MRI study reveals a small mass in the prevertebral region. This mass is most likely located in a space formed by which of the following structures?
    • A. 

      Thyrohyoid Membrane/ Buccopharyngeal Membrane

    • B. 

      Prevertebral Fascia/ Thyrohyoid Membrane

    • C. 

      Transcervical Fascia/ Buccopharyngeal Membrane

    • D. 

      Buccopharyngeal Membrane/ Prevertebral Fascia

  • 17. 
    Which of the following is true for the carotid body:
    • A. 

      It is located in the omotracheal triangle and is sensitive to hypoxia

    • B. 

      It is located in the carotid triangle and is innervated by the cervical plexus

    • C. 

      It is located in the carotid triangle and is a baroreceptor responsible for maintaining blood pressure

    • D. 

      It is located in the carotid triangle and is sensitive to hypoxia

    • E. 

      It is located in the submental triangle and is a baroreceptor responsible for maintaing blood pressure

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