Anatomy of the Larynx — Flashcards

Flashcard 1: Fenestrations in the tracheostomy tube are important for _____

Answer: phonation

Flashcard 2: The cranial nerve most commonly involved in nasopharyngeal carcinoma is _____

Answer: VI

Extra: Cranial nerve VI (Abducens nerve) is the most commonly involved cranial nerve in nasopharyngeal carcinoma (NPC) due to its proximity to the foramen lacerum. CN V (Trigeminal nerve) is the second most commonly affected. Involvement of CN IX, X, XI, and XII occurs later as the tumor spreads to the parapharyngeal space or jugular foramen.

Flashcard 3: In complete paralysis, the vocal cords are in _____ position

Answer: Cadaveric/Intermediate

Flashcard 4: The shape of glottis is _____ when only thyroarytenoid muscle is involved in phonasthenia

Answer: elliptical

Flashcard 5: _____ space is located in the epitympanum, bounded laterally by the Shrapnell membrane (pars flaccida) and medially by the neck of the malleus.

Answer: Prussak's space

Flashcard 6: _____ may be seen due to spasm of neck muscles in acute retropharyngeal abscess

Answer: Torticollis

Flashcard 7: Hoarseness of voice is a _____ feature of supraglottic and subglottic tumors due to spread of disease to vocal cords

Answer: late (early/late)