Nose and Nasal Cavity

Question 1

What nerve supplies the majority of skin on the nose

Answer 1

infraorbital nerve (V2)
superior bridge of nose from V1

Question 2

What do the two halves of the nasal cavity form

Answer 2

nasal fossae

Question 3

What separates the nasal fossae

Answer 3

median nasal septum

Question 4

What structures make up the floor of the nasal fossa

Answer 4

palatine process of maxilla

horizontal plate of palatine

Question 5

What bones make up the roof of the nasal fossa

Answer 5

nasal
frontal
ethmoid
sphenoid

Question 6

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

Answer 6

maxilla
ethmoid
palatine
inferior concha
nasal
lacrimal

Question 7

What forms the middle and superior conchae

Answer 7

Ethmoid bone

Question 8

Where is the different nasal meatus located

Answer 8

space below the concha of same name

Question 9

What are the surface of the meati covered by

Answer 9

Pseudostratified columnar epithelium

Question 10

Where is olfactory epithelium located

Answer 10

superior part of each nasal fossa – in the sphenoethmoidal recesses

Question 11

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

Answer 11

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

Question 12

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

Answer 12

Ethmoidal nerves of V1

Question 13

What provides general sensory to the majority of the nasal cavity

Answer 13

nasal nerves of V2

Question 14

What provides general sensory innervation to the vestibule of the cavity

Answer 14

infraorbital nerve–V2

Question 15

What provides parasympathetic secretomotor innervation to the nasal cavity

Answer 15

pregang: greater petrosal nerve
postgang: sphenopalatine ganglion

Question 16

What are the functions of the paranasal sinuses

Answer 16

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

Question 17

What are the four paired sinuses

Answer 17

Frontal Sinuses
Ethmoid air cells
sphenoid sinuses
maxillary sinuses

Question 18

Where do the frontal sinuses drain

Answer 18

through the frontonasal duct into the middle meatus

Question 19

Which position do the frontal sinuses drain best

Answer 19

upright position

Question 20

Where do the ethmoid air cells drain to

Answer 20

superior and middle meatus

Question 21

Where do the sphenoid sinuses drain to

Answer 21

anteriorly into the sphenoethmoidal recess

Question 22

How do the sphenoid sinuses best drain

Answer 22

in face down position

Question 23

Where do the maxillary sinuses drain to

Answer 23

drain into the middle meatus

Question 24

Which position do the maxillary sinuses drain best

Answer 24

side posture