Head and Neck Flashcards
Vertebra level of hyoid bone
CV3
Vertebral level of thyroid cartilage
CV4,5
Vertebral level of cricoid cartilage
CV6
Muscles that are innervated by CN XI
Trapezius, SCM
Structures that course between anterior and middle scalene
brachial plexus, subclavian artery
Innervation of omohyoid, sternohyoid, sternothyroid
ansa cervicalis
innervation of digastric
anterior belly = CN V
posterior belly = CN VII
Innervation of carotid sinus and carotid body
CN IX, CN X
Major structures to pass through pharyngeal wall superior to superior constrictor
auditory tube, levator veli palatini
Nerves of pharyngeal plexus
CN IX, CN X, sympathetics
Structures that pierce thyrohyoid membrane
internal laryngeal nerve, superior laryngeal nerve
Only muscle innervated by CN IX
stylopharyngeus
Innervation of cricothyroid
External laryngeal nerve
Innervation of laryngeal muscles exclusive of cricothyroid
recurrent laryngeal nerve
Muscle that increases tension of vocal cords
cricothyroid
Only muscle that abduct vocal cords
posterior cricoarytenoid
sensory nerve to larynx superior to vocal cords
internal laryngeal
sensory nerve to larynx inferior to vocal cords
recurrent laryngeal
site of aspirated lodged fishbone
piriform recess
afferent-efferent limbs of gag reflex
CN IX - CN X
afferent-efferent limbs of cough reflex
CN X - CN X
nerve injury that causes hoarseness following thyroid surgery
recurrent laryngeal
chief structures that travers internal acoustic meatus
CN VII, CN VIII
foramen where CN VII exits skull
stylomastoid foramen