Nasal Cavity & Paranasal Sinuses

Question 1

what is the posterior openings of the nasal cavities into the nasopharynx

Answer 1

choanae

Question 2

what is the epithelium of the nasal cavity

Answer 2

ciliated pseudostratified epithelium

Question 3

what is the floor of the nasal cavity

Answer 3

maxilla

palatine

Question 4

what are the posterior bony structures of the nasal cavity

Answer 4

perpindicular plate of the ethmoid

vomer

Question 5

what is the superior bone of the nasal cavity

Answer 5

perpendicular plate of the ethmoid

Question 6

what are under all of the conchaes

Answer 6

meatuses

Question 7

what is the only conchae that is an individual bone

Answer 7

inferior conchae

Question 8

what is the job for the airway to the lungs

Answer 8

warming air

Question 9

what are the paranasal sinuses

Answer 9

maxillary sinus
frontal sinus
ethmoidal air cells
sphenoidal sinus

Question 10

where do all the sinues drain into?

Answer 10

nasal cavity

Question 11

what is the pathway of drainage for the frontal sinus

Answer 11

frontonasal duct –> infundibulum –> semilunar hiatus –> middle meatus

Question 12

where does the anterior ethmoidal air cell drain into

Answer 12

middle meatus

Question 13

where does the middle ethmoidal air cells drain into?

Answer 13

ethmoidal bulla

Question 14

what are the boundaries of the maxillary sinus?

Answer 14

superior: orbit
medial: nasal cavity
lateral: infratemporal fossa

Question 15

what is the opening into the maxillary sinus called?

Answer 15

maxillary ostuim

Question 16

where will you find maxillary ostium?

Answer 16

inferior to ethmoidal bulla

Question 17

what happens if you need to drain the maxillary sinus?

Answer 17

create an artificial opening

Question 18

where could an infection of a maxillary tooth do?

Answer 18

spread into the sinus

Question 19

what could an extraction of a tooth do to the maxillary sinus?

Answer 19

tear the membrane

Question 20

where is the opening of the sphenoid sinus at?

Answer 20

sphenoethmoidal recess

Question 21

what does the tendon of the levator palpebrae superioris muscle do

Answer 21

opens eye

Question 22

what is the drainage of the lacrimal gland?

Answer 22

duct –> lacrimal lake –> lacrimal canaliculi –> lacrimal sac –> nasolacrimal duct –> inferior meatus

Question 23

what nerves come off of nasocillary

Answer 23

anterior and posterior ethmoidal nn

Question 24

what does the anterior ethmoidal branch supply

Answer 24

anterior septum and lateral wall

Question 25

what does the posterior ethmoidal branch supply

Answer 25

posterior septum and lateral wall

Question 26

what does the sphenopalatine branch supply

Answer 26

lower septum and lateral wall

Question 27

what are the 2 branches of the sphenopalatine

Answer 27

posterior septal

posterior lateral nasal

Question 28

what is the area with nose bleeds and has all the vasculature

Answer 28

kisselbach’s area

Question 29

what are the 3 places that the venous drain nasal cavity

Answer 29

facial
pterygoid plexus
cavernous sinus

Question 30

where is special sensory from?

Answer 30

olfactory nerve

Question 31

where are the parasympathetics from FOR PARANASAL SINUS?

Answer 31

greater petrosal: CN VII

Question 32

where are the sympathetics from FOR PARANASAL SINUS

Answer 32

deep petrosal: ICA

Question 33

what provides general sensation FOR PARANASAL SINUS?

Answer 33

V2

Question 34

CN V1 sensory nerve?

Answer 34

Nasociliary

Question 35

V2 sensory nerves? (5)

Answer 35

infraorbital
nasopalatine
anterior sup alveolar
posterior superior/inferior lateral nasal n