SCID 243 - Quiz 1 - Pharynx & Larynx

7 Questions | By Permphan | Last updated: Mar 22, 2022 | Total Attempts: 310

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1.

Following thyroid surgery, it was noted that a patient frequently aspirated fluid into her lungs. Upon examination it was determined that the area of the piriform recess above the vocal fold of the larynx was numb. What nerve may have been injured?
- A.
  
  External branch of the superior pharyngeal
- B.
  
  Hypoglossal
- C.
  
  Internal branch of the superior laryngeal
- D.
  
  Lingual
- E.
  
  Recurrent laryngeal
2.

The vocalis muscle is most responsible for the fine control of phonation because of its attachment into the: ________
- A.
  
  Arytenoid cartilage
- B.
  
  Cricoid cartilage
- C.
  
  Thyroid cartilage
- D.
  
  Vestibular ligament
- E.
  
  Vocal ligament
3.

Twenty-four hours following a partial thyroidectomy where the inferior thyroid artery was also ligated (tied off), the patient now spoke with a hoarse voice (whisper), and had difficulty in breathing. Which nerve was injured?
- A.
  
  Internal branch of superior laryngeal
- B.
  
  Ansa cervicalis
- C.
  
  Ansa subclavia
- D.
  
  Recurrent laryngeal
- E.
  
  External branch of superior laryngeal
4.

A 60-year-old man has occasional blackouts and light-headedness. Studies reveal atherosclerotic plaques within the common carotid arteries and the bifurcation of the vessels. A carotid endartectomy is undertaken. Which nerve bundle running vertically within the carotid sheath must the surgeon be careful not to injure?
- A.
  
  Accessory
- B.
  
  Cervical sympathetic trunk
- C.
  
  Glossopharyngeal
- D.
  
  Hypoglossal
- E.
  
  Vagus
5.

A 55-year-old woman has difficulty swallowing and frequently aspirates fluids while drinking. She is diagnosed as having a skull base tumor occupying the space behind the jugular foramen. Involvement of which structure is responsible for the findings?
- A.
  
  Ansa cervicalis
- B.
  
  Cervical sympathetic trunk
- C.
  
  Accessory nerve
- D.
  
  Hypoglossal nerve
- E.
  
  Vagus
6.

The carotid body is innervated by a branch of the: _________
- A.
  
  Glossopharyngeal nerve
- B.
  
  Hypoglossal nerve
- C.
  
  Spinal accessory nerve
- D.
  
  Sympathetic trunk
- E.
  
  Vagus nerve
7.

Any manipulation of the superior thyroid artery must be undertaken with care not to damage its small companion nerve, the: ______
- A.
  
  Cervical sympathetic trunk
- B.
  
  External branch of the superior laryngeal
- C.
  
  Inferior root of the ansa cervicalis
- D.
  
  Internal branch of the superior laryngeal
- E.
  
  Recurrent laryngeal