Neck — Flashcards

Flashcard 91: Which nerves form both the content and the roof of the posterior triangle?_____

Answer: Lesser occipital, Great auricular, Transverse cervical, and Supraclavicular nerves (4 cutaneous branches of the cervical plexus)

Extra: These four cutaneous nerves emerge from the nerve point of the neck (Erb's point) at the posterior border of the sternocleidomastoid muscle. They are considered contents of the posterior triangle that pierce the investing layer of deep cervical fascia (the roof) to reach the skin.

Flashcard 92: Lymph from the medial conjunctiva drains directly into the _____ nodes.

Answer: submandibular

Flashcard 93: The internal laryngeal nerve pierces the thyrohyoid membrane at a _____ level than the superior thyroid artery.

Answer: higher

Flashcard 94: Suppuration of _____ is the most common cause of retropharyngeal space abscess in children.

Answer: Nodes of Rouviere

Flashcard 95: In combined (SLN + RLN) unilateral palsy of the larynx, _____ muscle retains power because it receives supply from the opposite side as well.

Answer: inter-arytenoid

Flashcard 96: Vocal process of the arytenoid is attached to the _____ ligament

Answer: vocal

Flashcard 97: Tensor of the vocal cords is _____

Answer: cricothyroid

Flashcard 98: Which nerves are part of the contents of carotid triangle?_____

Answer: Vagus, Hypoglossal, Spinal accessory, Sympathetic chain and ansa cervicalis (5)

Flashcard 99: _____ is an abductor of the vocal cord.

Answer: Posterior cricoarytenoid (Muscle)

Flashcard 100: Which nerve is placed superficially in the middle of posterior triangle?_____

Answer: Spinal part of accessory nerve