FINAL REVIEW FLASHCARDS FOR HEAD AND NECK
What are the muscles of facial expression innervated by? what muscle is included in this that is not as easily memorable?
The facial nerve (CN VII)
THE BUCCINATOR MUSCLE
What are the muscles of mastication and what are they innervated by?
Temporalis, masseter, medial and lateral pterygoid muscles.
All innervated by V3 of the trigeminal nerve.
All muscles of the LARYNX are innervated by _____ except the _______ which is innervated by _______.
All muscles of the larynx are innervated by the recurrent laryngeal nerve EXCEPT the cricothyroid which is innervated by the external branch of the superior laryngeal nerve.
All sensation to the larynx is carried through CN ____ either in the recurrent laryngeal nerve of in the internal branch of the superior laryngeal nerve.
X - vagus nerve
All muscles of the pharynx are innervated by what cranial nerve? What is the exception to this?
Vagus nerve
EXCEPT stylopharyngeus which is innervated by CN IX
Most sensation to the pharynx is through CN ___?
CN IX - glossopharyngeal nerve
All of the muscles of the soft palate are innervated by CN ___? What is the exception to this rule?
CN X - Vagus
EXCEPT tensor veli palatini which is innervated by V3 of the trigeminal nerve.
Sensation of the palate is through _____ and _____?
V2 of the trigeminal nerve and glossopharyngeal nerve on the nasopharyngeal side.
What supplies general sensation to the anterior 2/3 of the tongue? What about the posterior 1/3?
Anterior 2/3: Lingual nerve branches of V3
Posterior 1/3: glossopharyngeal nerve
What supplies the tongue with special sensation of taste on the anterior 2/3? posterior 1/3? root?
Anterior 2/3: facial nerve via the chorda tympani
posterior 1/3: glossopharyngeal nerve
root: Vagus (CNX)
What supplies motor innervation to all of the intrinsic and extrinsic tongue muscles? What is the exception?
All intrinsic and extrinsic via CN XII the hypoglossal nerve.
EXCEPT palatoglossus which is supplied by CN X the vagus (because it’s near the palate).
What is the muscle that abducts the vocal cords to open the rima glottidis?
The posterior cricoarytenoids.
What sinuses drain into the middle meatus?
Frontal sinus, maxillary sinus, anterior ethmoidal cells, and the middle ethmoidal cells.
What sinuses drain into the superior meatus?
The posterior ethmoidal cells.
What drains into the inferior meatus?
The nasolacrimal duct.