CH27 - Nose, Nasal Cavity & Paranasal Sinuses

Question 1

Protrudes outward from skeletal component

Answer 1

Nose

Question 2

Attached superiorly to nasal bones & inferiorly to anterior nasal spine

Answer 2

External nose

Question 3

Each lateral margin

Answer 3

Ala

Question 4

Cartilaginous wall that divides the right & left halves of the nose

Answer 4

Nasal septum

Question 5

Anterior most portion of the nasal cavity, appears pear shaped

Answer 5

Nasal aperture

Question 6

3 shelves on lateral walls of the nasal cavity, project into septum

Answer 6

Superior & middle nasal conchae

Question 7

Has openings through cribriform plate, transmit olfactory nerves to brain

Answer 7

Superior bony portion of the nasal cavity

Question 8

Bones of the hard palate form the floor of ___

Answer 8

The nasal cavity

Question 9

Maxillae form lower part of

Answer 9

The lateral walls

Question 10

3rd projection, where the maxillae & ethmoid bone meet

Answer 10

Inferior nasal concha

Question 11

3 things that form the nasal septum

Answer 11

• Vomer bone
• Ethmoid bone
• Fibrocartilaginous part of the septum

Question 12

Posterior to the choana

Answer 12

Nasal pharynx

Question 13

Portion of the body of the sphenoid bone where it meets the ethmoid bone

Answer 13

Sphenoethmoidal recess

Question 14

Primarily found in respiratory tract, covers the inside of nasal cavity

Answer 14

Respiratory epithelium

Question 15

Hairlike projections that move toward the anterior portion of the nasal cavity

Answer 15

Cilia

Question 16

On the upper surface of the superior concha and upper nasal septum, has nerve fibers that perceive odors

Answer 16

Olfactory epithelium

Question 17

4 Pairs of paranasal sinuses

Answer 17

• Frontal
• Sphenoids
• Ethmoids
• Maxillaries

Question 18

Infection of frontal paranasal sinuses cause

Answer 18

Pressure & pain above the eye

Question 19

Infection of sphenoid paranasal sinuses cause

Answer 19

Pressure & congestion deep in midline of head

Question 20

Largest paranasal sinus

Answer 20

Maxillary

Question 21

Extend in an ___ direction from max canine area to third molar

Answer 21

Anteroposterior

Question 22

Function of sinuses

Answer 22

Sinuses lighten the weight of bone in the head & face