Carotid Sheath, Larynx, & Pharynx Flashcards
What nerve may have been injured if a patient frequently aspirated fluid into her lungs and had numbness above the vocal fold after thyroid surgery?
Internal branch of the superior laryngeal
This nerve is responsible for sensory innervation of the larynx above the vocal folds.
Which laryngeal muscle is most responsible for stretching (elongating) the vocal ligament?
Cricothyroid
What muscle is most responsible for the abduction of the vocal folds?
Posterior cricoarytenoid
Which nerve innervates all but one muscle of the larynx?
Inferior laryngeal nerve
The vocalis muscle is most responsible for the fine control of phonation because of its attachment into the _______.
Vocal ligament
The constrictor muscles of the pharynx receive their motor nerve supply from the _______.
Vagus nerve
Which nerve was likely injured if a patient spoke with a hoarse voice and had difficulty breathing 24 hours after a partial thyroidectomy?
Recurrent laryngeal
In thyroidectomy, caution should be exercised when ligating the inferior thyroid artery due to its close relationship with which nerve?
Recurrent laryngeal
Which nerve bundle must a surgeon be careful not to injure during a carotid endarterectomy?
Vagus
In a patient with a skull base tumor behind the jugular foramen, which structure’s involvement is responsible for difficulty swallowing and aspiration?
Vagus
If a patient’s tongue deviates toward the right when asked to point it outward after carotid endarterectomy, which nerve crossing the carotid artery must have been injured?
Hypoglossal
Any manipulation of the superior thyroid artery must be done carefully to avoid damaging which small companion nerve?
External branch of the superior laryngeal
The carotid body is innervated by a branch of the _______.
Glossopharyngeal nerve
