Head & Neck

Topics in this chapter

• Skull Base and Foramina
• Cranial Nerves and Cavernous Sinus
• Orbit and Extraocular Muscles
• Face, Oral Cavity and Salivary Glands
• Neck Anatomy and Cervical Plexus
• Thyroid, Larynx and Neck Trauma

Practice questions

1. Question 1Q-5930D0

   A 45-year-old man presents with a swelling in the submandibular region that enlarges during meals, accompanied by postprandial pain. Which of the following structures is most intimately related to the duct of this gland as it courses forward in the floor of the mouth?

   1. A.Lingual nerve
   2. B.Hypoglossal nerve
   3. C.Glossopharyngeal nerve
   4. D.Mylohyoid nerve
   See the answer and solution
2. Question 2Q-07F58B

   During a thyroidectomy, a surgeon accidentally ligates the nerve running intimately with the superior thyroid artery on the surface of the inferior constrictor muscle. Which of the following clinical findings is expected?

   1. A.Inability to tense the vocal cords resulting in a monotonous voice
   2. B.Total loss of sensation below the vocal cords
   3. C.Cadaveric position of the vocal cord
   4. D.Difficulty in swallowing due to pharyngeal paralysis
   See the answer and solution
3. Question 3Q-B997EF

   A patient presents with a cavernous sinus thrombosis secondary to a severe facial infection. Which of the following cranial nerves is typically the very first to manifest signs of dysfunction within the cavernous sinus?

   1. A.Oculomotor nerve (CN III)
   2. B.Trochlear nerve (CN IV)
   3. C.Abducent nerve (CN VI)
   4. D.Ophthalmic nerve (CN V1)
   See the answer and solution
4. Question 4Q-700AEF

   A deep stab wound to the posterior triangle of the neck results in the inability to shrug the shoulder and an inability to abduct the arm above 90 degrees. Which nerve is most likely injured?

   1. A.Accessory nerve (CN XI)
   2. B.Dorsal scapular nerve
   3. C.Long thoracic nerve
   4. D.Suprascapular nerve
   See the answer and solution
5. Question 5Q-47C5FB

   Which of the following structures exits the cranial cavity via the foramen spinosum?

   1. A.Maxillary nerve
   2. B.Mandibular nerve
   3. C.Middle meningeal artery
   4. D.Internal carotid artery
   See the answer and solution