Lecture 10- Nasal and Throat Flashcards
what attaches hyoid bone to thyroid cartilage
cricothyroid ligament
what level of the trachea is a tracheotomy performed
2nd/3rd tracheal rings
what happens to the hyoid bone with swallowing
it hinges upward
what are the three phases of swallowing
oral phase
pharyngeal phase
esophageal phase
what muscles open the mouth and nerves?
digastric- facial and trigeminal
mylohyoid- trigeminal
lateral pterygoid- trigeminal
geniohyoid- C1
what muscles close the mouth? nerves?
temporalis
medial pterygoid
masseters
all trigeminal
which muscle closes the lips to chew?
obicularis oris- CN 7
what muscle helps chew the food?
buccinator- V3 of trigeminal
why does chewing gum help when flying?
opens auditory tube to equalize pressure
what cranial nerves work during pharyngeal phase
CN 9 and 10
what is inhibited during pharyngeal phase?
coughing, chewing, breathing, and vomitting
which two phases of swallowing are involuntary?
esophageal and pharyngeal
what do the pharyngeal muscles do during the esophageal phase?
push bolus of food from esophagus to stomachw
which bones make up the nasal cavity?
maxilla, palatine, nasal, ethmoid, vomer
what muscles elevate the nose?
procerus
levator labii superiors alaeque nasi
nasalis
what muscles depress the nose?
alar nasalis
depressor septi nasi
what are the four sinuses of the face?
frontal
ethmoid
maxillary
sphenoid
which bones make up the superior and middle concha?
ethmoid
when hit on the nose, which artery may bleed?
ethmoid artery
in which conchae does cranial n 1 exit in the nose?
superior conchae
what vagus nerve branch swings around the brachiocephalic?
right recurrent laryngeal n
what vagus nerve branch swings around the aorta?
left recurrent laryngeal n
what nerves do the GAG reflex?
CN 9 and 10
what artery and nerve supply the tongue?
deep lingual a and v
lingual artery arises from…
external carotid
lingual vein arises from..
internal jugular
list intrinsic muscles of the tongue
superior longitudinal
inferior longitudinal
vertical
transverse
list extrinsic muscles of the tongue
genioglossus
hyoglossus
styloglossus
palatoglossus
superior and inferior alveolar n come off of…
maxiallary n, V2 trigeminal
what are the three tonsils
pharygeal
palatine
lingual
what two muscles help with pitch and phonoation
crycothyroid
vocalis
