The Nose

Question 1

What are the names given to the external openings of the nose?

Answer 1

the nostrils, external nares, or the anterior nares

Question 2

What does the nasal cavity open into posteriorly?

Answer 2

the nasopharynx

Question 3

What are the names of the openings between the nasal cavity and the nasopharynx?

Answer 3

the choanae, internal nares, or posterior nares

Question 4

What is the name given to the part of the external nose located at the nasion?

Answer 4

the root of the nose

Question 5

What is the name given to the anteromedian part of the external nose?

Answer 5

the dorsum of the nose

Question 6

What is another name for the tip of the external nose?

Answer 6

the apex of the nose

Question 7

What is the name given to the rounded sides of the nostrils?

Answer 7

the alae of the nose or the nasal alae

Question 8

What is the principal gland covering the nose?

Answer 8

sebaceous glands

Question 9

What forms the bridge of the external nose?

Answer 9

the nasal skeleton

Question 10

What will the nasal skeleton consist of?

Answer 10

• the nasal bones
• the frontal processes of the maxillae
• the nasal notch of the frontal bone

Question 11

What type of tissue forms the major portion of the nose?

Answer 11

hyaline cartilage

Question 12

What are the names of the larger pieces of cartilage forming the nose?

Answer 12

• septal cartilage
• lateral nasal cartilage
• major alar cartilage

Question 13

What are the bony attachments for the septal cartilage?

Answer 13

• perpendicular plate of the ethmoid
• vomer
• internasal suture of the nasal bones

Question 14

What are the bony attachments for the lateral nasal cartilage?

Answer 14

the nasal bones and the frontal process of the maxilla

Question 15

What is unique about the attachment of the major alar cartilages?

Answer 15

they lack attachment to bone and attach only to other cartilage

Question 16

What branches of the external carotid artery will vascularize the external nose?

Answer 16

• facial a.

- internal maxillary a.

Question 17

What branch of the internal carotid artery will vascularize the external nose?

Answer 17

ophthalmic a.

Question 18

Which arteries will supply the sides of the nose?

Answer 18

• facial a.

- internal maxillary a.

Question 19

Which artery will supply the dorsum of the nose?

Answer 19

ophthalmic a.

Question 20

Veins of the external nose typically drain into what vessels?

Answer 20

the pterygoid venous plexus

Question 21

What specific nerves provide cutaneous sensation for the cutaneous regions of the external nose?

Answer 21

• infratrochlear and external nasal nerves, ophthalmic division, trigeminal
• infraoribital nerves, maxillary division, trigeminal