FAL review Flashcards
what causes a epidural hematoma? what does it look like?
rupture of middle menigeal a. will have lens shapped region
what causes a subdural hematoma? what does it look like
rupture of veins, small cresent lightness, chronic will create hematocrit
what causes subarcarchnoid hematoma? picture it
severe head trauma, ruptured brain aneryism, blood flows into sulci
function of posterior cricoarytenoid?
abducts the vocal folds
function of the lateral cricoarytenoid?
adducts the vocal folds
which facial muscles does the trigeminal n. innervate/
mylohyoid, anterior belly of digastric, temporalis, masseter, medial and lateral pterygoid
what role does the trigeminal nerve have in the tongue?
gives off the lingual nerve which provides general sensation to anterior tongue
what muscles of the face does the facial nerve innervation?
orbicularis oris/oculi, occipitofrontalis, mentalis, cervical
role of the facial nerve within the tongue?
chorda tympani branch provides taste and glandular secretion to ant. 2/3 of tongue
what other systems does the facial n. play a role in?
sublingual, submandibular gland stimulation, lacrimal gland
what is the function of the pharynx?
passageway for air and food
what are most pharyngeal muscles innervated by?
vagus n
what is the stylopharyngus innervated by?
glossopharyngeal
three layers of the pharynx?
naso,oral, laryngopharynx
function of the larynx?
voice box
what are the laryngeal muscles innervated by?
reccurent laryngeal
function of the superior cricoarytenoid?
abduct the folds (pull apart)
function of the lateral cricoarytenoid?
adducts the folds?
innervation of the cricothyroid?
external laryngeal
what drains into the middle nasal meatus?
anterior (infundibulum) and middle ethmoid (ethmoidal bulla), maxillary sinus (semilunar hiatus)
what drains into the inferior nasal meatus?
lacrimal duct
what drains into the superior nasal meatus?
posterior ethmoidal sinus
what innervates the hard palate of the mouth?
greater palatine a. n (from maxillary)
what innervates the majority of soft palate muscles?
vagus n.
what innervates the levator veli palatini?
medial pterygoid n.
what innervates most extrinsic muscles of the tongue?
hypoglossal n.
what innervates the palatoglossus?
vagus n.
function of the palatoglossus?
elevation of the tongue
function of the genioglossus?
protrusion of the tongue
parasympathetic innervation of the tongue?
facial (chorda tempani): taste and salivary gland
maxillary (lingual): sensation
GLossopharyngeal: taste, sensation, gland (posterior)
which bone contains the infraorbital foramen?
maxillary bone
which facia, muscle is least important for elevating the jaw?
medial pterygoid
what lies nerve anterior to anterior scalene?
phrenic nerve
what vessel has the highest glucose concentration?
portal vein
what structure is the ansa cervicalis found anterior to?
carotid sheath
what seperates the submandibular and mentalis triangles?
anterior belly of omohyoid
what attaches to coronoid process of mandible?
temporalis
purpose of the hamular process of pterygoid hamulus?
pulley for tensor veli palatini
what abdominal layer contributes to the inguinal ring?
transversus abdominis
