- The teeth and gums separate the oral cavity proper from the:
Description for the following questions: Examination of a patient with an ulcerative carcinoma of the posterior third of the tongue revealed bleeding from the lesion and difficulty swallowing (dysphagia).
- The bleeding was seen to be arterial; which of the following arteries was involved?
- The difficulty in swallowing was due to involvement of which muscle that elevates the tongue?
- Cutting of the hypoglossal nerve in the hypoglossal canal would not interrupt the nerve supply to the:
- The contents of the paralingual space do NOT include the:
- A patient is unable to taste a piece of sugar placed on the anterior part of the tongue. Which cranial nerve is most likely to have a lesion?
- The chorda tympani contains which component before it joins the lingual nerve?
Taste fibers to the posterior third of the tongue
- The cell bodies of the taste fibers from the anterior two-thirds of the tongue are located in the:
- Which of the following structures is located in the vestibule of the oral cavity?
Opening of the parotid duct
Opening of the submandibular duct
- When one presses the tongue tip against the anterior (incisor) teeth, which of the following muscles must contract?
- The muscle responsible for raising the floor of the mouth in the early stages of swallowing is the:
- The cell bodies of the postganglionic parasympathetic neurons innervating the sublingual gland are found in which of the following ganglia?
- A 46-year-old female patient comes to the emergency department complaining of pain in the area just below her mandible on the right side of her face. She says that the pain is particularly severe when she eats. The area of the submandibular gland is tender and swollen, as is the area in the floor of her mouth lateral to the tongue. You suspect a stone in the submandibular duct, and a plain film radiograph shows a density in that region consistent with a stone. In order to remove the stone, the duct must be incised in the floor of the mouth. What nerve, that loops around the duct, is in danger in such an incision?
Internal branch of the superior laryngeal
- In accessing the submandibular gland in the submandibular triangle, what vessel coursing through the gland and triangle would need to be protected?
External jugular vein
Superior thyroid artery
- All of the following may be found in the paralingual space EXCEPT:
Submandibular gland duct
Superficial lobe of the submandibular gland