Nose and Nasal Cavity Flashcards Preview

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Flashcards in Nose and Nasal Cavity Deck (24):
1

What nerve supplies the majority of skin on the nose

infraorbital nerve (V2)
superior bridge of nose from V1

2

What do the two halves of the nasal cavity form

nasal fossae

3

What separates the nasal fossae

median nasal septum

4

What structures make up the floor of the nasal fossa

palatine process of maxilla
horizontal plate of palatine

5

What bones make up the roof of the nasal fossa

nasal
frontal
ethmoid
sphenoid

6

What are the 6 bones that make up the bones of the lateral wall of the nasal fossa

maxilla
ethmoid
palatine
inferior concha
nasal
lacrimal

7

What forms the middle and superior conchae

Ethmoid bone

8

Where is the different nasal meatus located

space below the concha of same name

9

What are the surface of the meati covered by

Pseudostratified columnar epithelium

10

Where is olfactory epithelium located

superior part of each nasal fossa -- in the sphenoethmoidal recesses

11

Where does most of the blood supply come from for the nasal cavity

nasal branches from the sphenopalatine artery (branch from the maxillary artery)

12

What provides general sensory to the anterior region of the nasal cavity

Ethmoidal nerves of V1

13

What provides general sensory to the majority of the nasal cavity

nasal nerves of V2

14

What provides general sensory innervation to the vestibule of the cavity

infraorbital nerve--V2

15

What provides parasympathetic secretomotor innervation to the nasal cavity

pregang: greater petrosal nerve
postgang: sphenopalatine ganglion

16

What are the functions of the paranasal sinuses

contribute to ones facial features
contribute to resonance qualities of voice
contribute to air exchange, moistening and warming the air

17

What are the four paired sinuses

Frontal Sinuses
Ethmoid air cells
sphenoid sinuses
maxillary sinuses

18

Where do the frontal sinuses drain

through the frontonasal duct into the middle meatus

19

Which position do the frontal sinuses drain best

upright position

20

Where do the ethmoid air cells drain to

superior and middle meatus

21

Where do the sphenoid sinuses drain to

anteriorly into the sphenoethmoidal recess

22

How do the sphenoid sinuses best drain

in face down position

23

Where do the maxillary sinuses drain to

drain into the middle meatus

24

Which position do the maxillary sinuses drain best

side posture