Head & Neck — Flashcards

Flashcard 141: Which cranial nerve is most susceptible to injury to the cavernous sinus? _____

Answer: CN VI (abducens)

Flashcard 142: Patients with temporomandibular disorder that involve the _____ nerve can have both jaw pain and otologic symptoms

Answer: mandibular

Flashcard 143: What is the most common site for ectopic thyroid tissue?_____

Answer: The tongue

Flashcard 144: The majority of the external ear receives sensory innervation via nerves derived from what two nerve roots?_____

Answer: C2, C3

Flashcard 145: _____ are benign tumors of nasal mucosa composed of large blood vessels and fibrous tissues

Answer: Angiofibromas

Flashcard 146: Which tongue muscle draws the sides of the tongue upwards (creates a trough for swallowing)? _____

Answer: Styloglossus

Flashcard 147: The motor innervation to most muscles of the tongue is via CN _____

Answer: XII

Flashcard 148: Which artery supplies the inner layers of the retina and travels within the optic nerve?

Answer: Central retinal artery

Extra: The central retinal artery is a branch of the ophthalmic artery. It enters the optic nerve and supplies the inner layers of the retina.

Flashcard 149: Which branch of the trigeminal nerve provides general sensation to the forehead, scalp, and cornea? _____

Answer: Ophthalmic (V1)

Flashcard 150: What lymph node cluster drains the apex of the tongue, floor of the mouth, and lower lip?_____

Answer: Submental lymph nodes