Nasal Cavity

Question 1

Answer 1

A = nasal bone
B = frontal process of maxilla
C = Lateral process of septal nasal cartilage
D = septal cartilage
E = lateral crus of major alar cartilage
F = medial crus of major alar cartilage
G = anterior nasal spine of maxilla

Question 2

Answer 2

A = minor alar cartilage
B = accessory nasal cartilage
C= septal nasal cartilage

Question 3

What is the anterior opening of the nose called?

Answer 3

piriform apeture

Question 4

What is the posterior opening of the nose?

Answer 4

choanae

Question 5

What does the choanae open into?

Answer 5

nasopharynx

Question 6

Answer 6

A = choanae

Question 7

What is the role of the conchae?

Answer 7

mucous membrane warms cold air

Question 8

what bone do the conchae belong?

Answer 8

ethmoid

Question 9

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

Answer 12

Question 13

What conchae is its own bone?

Answer 13

Inferior conchae

Question 14

Answer 14

A = palatine bone
B = perpendicular plate of palatine bone

Question 15

Answer 15

A = squamous part of frontal bone
B = sinus of frontal bone

Question 16

Answer 16

Question 17

What are the spaces inferior to the conchae?

Answer 17

meatuses

Question 18

What is superior to the superior meatus?

Answer 18

sphenoethmoidal recess

Question 19

Answer 19

A = opening of pharyngotympanic tube
B = nasopharynx

Question 20

Answer 20

A = superior meatus
B = middle meatus
C = inferior meatus

Question 21

Answer 21

Sphenoethmoidal recess

Question 22

Answer 22

A = opening of the pharyngotympanic tube
B = nasopharynx

Question 23

Answer 23

A = middle conchae
B= middle meatus
C = inferior conchae
D = inferior meatus
E = ethmoidal sinus

Question 24

What is the most important meatus?

Answer 24

Middle

Question 25

Why is the middle meatus the most important?

Answer 25

Lots of the sinuses open into the middle meatus

Question 26

What are 3 structures associated with the middle hiatus?

Answer 26

Ethmoidal infundibulum Hiatus emilunaris Ethmoidal bulla Maxillary sinus

Question 27

Answer 27

A = infundibulum B = bulla ethmoidalis C = hiatus semilunar D = spheno-ethmoidal recess

Question 28

What sinus is this and in the case of an infection, where would the infection drain to?

Answer 28

Middle meatus via the infundibulum opening

Question 29

This is the opening of what sinus?

Answer 29

Maxillary sinus

Question 30

What sinus is this, and where is it draining to?

Answer 30

Posterior ethmoidal cells into the lateral wall of superior meatus

Question 31

Answer 31

Opening of nasolacrimal duct

Question 32

What sinus is circled, and where does it drain into?

Answer 32

Sphenoidal sinus, drains into the spheno-ethmoidal recess

Question 33

Do sinuses drain into the inferior meatus?

Answer 33

No, only excess tears from the nasolacrimal duct