Chap 27

Question 1

Nose

Answer 1

Portion of the nasal complex that protrudes outward from the skeletal component

Question 2

Ala

Answer 2

Protruding lateral margins (forming wing-sides of the nose)

Question 3

What shape is the nasal aperature?

Answer 3

Pear shaped

Question 4

Nasal septum

Answer 4

Midline portion of nasal cavity. Formed by vomer bone and part of the ethmoid bone

Question 5

Nasal conchae

Answer 5

Located on lateral walls of cavity : SUPERIOR
MIDDLE
INFERIOR

Question 6

Choana

Answer 6

Region at post. end of nasal septum where it opens into the nasopharynx

Question 7

Respiratory epithelium

Answer 7

Pseudostratified columnar ciliated epithelium with goblet cells

Question 8

Goblet cells

Answer 8

Found in respiratory tract. Secrete mucous substance that traps contaminants as they enter the nasal cavity

Question 9

Paranasal sinuses

Answer 9

Ethmoid 2
Frontal 2
Maxillary 2
Sphenoid 2

Question 10

Meatus

Answer 10

Located under nasal conchae

Question 11

Inferior meatus

Answer 11

Opening of nasolacrimal duct

Question 12

Middle meatus

Answer 12

Hiatus semilunaris

Question 13

Superior meatus

Answer 13

Smallest meatus

Question 14

Frontal sinuses

Answer 14

Located in frontal bone above orbit.

Question 15

What causes pressure and pain above the eyes?

Answer 15

Infections

Question 16

Sphenoid sinuses

Answer 16

Body of sphenoid just under the pituitary fossa

Question 17

Ethmoid sinuses

Answer 17

Also known as ethmoid air cells.

• anterior
• middle
• posterior:infection gives a feeling of congestion and aching within nasal cavity

Question 18

Maxillary sinuses

Answer 18

Largest of paranasal sinuses

Question 19

What is the function of the sinuses?

Answer 19

To lighten the overall bone weight by being hollowed out cavities

Question 20

Periapical

Answer 20

Means the area associated with the apical portion of the root of a tooth

Question 21

Dilaceration

Answer 21

Curvature associated with tooth root