imaging Flashcards
which muscles of the pharynx are not innervated by X?
the ‘tensors’. innervated by V
difference b/w T1 and T2 weighted MRI
CSF is dark on T1, bright on T2
odynophagia
painful swallowing
the piriform recess is between___
the cricoid and thyroid cartilages
valleculae
spit traps on either side of the glossoepiglottic fold
where do you make an emergency airway
cricothyroid membrane
which is superior; false or true vocal cords? what is in between? what is b/w the true cords?
false are superior. ventricle. rima glottidis.
which muscle abducts the arytenoid cartilage
post. crico arytenoid muscle.
what muscles adduct the arytenoid cartilage
lateral cricoarytenoids, transverse aryteniods
how do you make a whisper
contract lateral cricoarytenoids w/o transverse arytenoids
fxn cricothyroid mm.
pulls thyroid cart. inferiorly, stretching cords, raising pitch
what mm. lower the voice pitch
thyroarytenoids and vocalis
aryepiglottic mm.
pulls epiglottis posteriorly to close off larynx
position of cords relative to one another on phonation
closed
three branches of vagus in neck
pharygeal-motor to constrictors and pharynx
superior laryngeal-
Inferior (recurrent) laryngeal-motor to all laryngeal mm besides cricothyroid