Flashcards in Neck and Pharynx Deck (28)
What structures run within the carotid sheath?
Internal jugular vein
Common carotid artery
Vagus nerve CN X
Name the posterior part of pre-tracheal fascia?
Name the boundaries of the posterior triangle of the neck?
Middle 1/3 of clavicle
Where does CN XI - accessory nerve exit the cranium?
What muscles does CN XI - accessory nerve supply motor innervation to?
Between which muscles are the roots of the brachial plexus found?
Which nerve travels obliquely over anterior scalenous?
Name the boundaries that make up the anterior triangle of the neck?
Name the four supra-hyoid muscles?
Digastric - Anterior belly + Posterior belly
What is the nerve innervation of mylohyoid?
Posterior branch of V3
What is the nerve innervation of geniohyoid?
What is the nerve innervation of stylohyoid?
CN VII - Facial
What is the nerve innervation of the anterior and posterior bellies of digastric?
Anterior belly (mandible) - V3
Posterior belly (mastoid) - CN VII - facial
Name the four infra-hyoid (strap) muscles?
Which of the four infra-hyoid muscles is not innervated by the Ansa cervicalis and what is its innervation?
The submandibular gland wraps around which muscle?
The submandibular duct loops around which nerve?
Lingual nerve - branch of posterior V3
Which vertebral level does the bifurcation of the common carotid artery occur?
In relation to the common carotid, where is the internal jugular vein located?
Normally anterior and lateral to the CCA
What two muscles are supplied with motor innervation by C1?
Geniohyoid (suprahyoid muscle)
Thyrohyoid (infrahyoid muscle)
C1 hitches a lift on which nerve?
CN XII - Hypoglossus
Where does CN X - Vagus exit the cranium?
Describe how CN X - Vagus is sensory to the larynx?
Reccurant laryngeal branch is sensory to the infragotic cavity
External superior laryngeal branch is sensory to the supraglotic cavity and epiglottis
Describe the sensory distribution of CN IX - glossopharyngeal?
Posterior 1/3 of the tongue
Inner surface of the tympanic membrane
Which muscle receives motor innervation from CN IX - glossopharyngeal?
CN XII - Hypoglossus is motor to all the extrinsic muscles of the tongue except, and what is its innervation?
Palatoglossus - CN - X
Which three muscles elevate the pharynx, and what is their motor innervation?
Stylopharygeus - CN IX - glossopharygeal
Palatopharyngeus - CN X - vagus
Salpingopharyngeus - CN X - vagus