76 nose - nerves and vessels

Question 1

Identify 1

Answer 1

1. Frontal bone

Question 2

Identify 2 - 3

Answer 2

2. Nasal bones
3. Frontal process of maxilla

Question 3

Identify 4 - 8

Answer 3

4. Lateral process of nasal septal cartilage
5. Septal cartilage
6. Minor alar cartilage
7. Accessory nasal cartilage
8. Major alar cartilage

Question 4

Identify 9 - 10

Answer 4

9. Anterior nasal spine
10. Alar fibrofatty tissue

Question 5

The nose is pyramidal in form, and its root is formed by 3 pairs of bones which are ___

Answer 5

• Frontal (nasal process)
• Maxilla (frontal process)

• Nasal

Question 6

Vascular Supply of the Nose

Identify

Answer 6

1. Nasal branches from Ophthalmic a.
2. Nasal branch from Maxillary a.
3. Facial a.

Question 7

Vascular Supply of the Nose

What are the 3 major arteries that supply the nose

Answer 7

1. Ophthalmic artery
2. Maxillary artery
3. Facial artery

Question 8

Vascular Supply of the Nose

Source of ophthalmic artery

Answer 8

Internal carotid artery

Question 9

Vascular Supply of the Nose

Identify

Answer 9

1. Nasal branches from Ophthalmic a.
2. Nasal branch from Maxillary a.
3. Facial a.

Question 10

Vascular Supply of the Nose

Identify 1 - 2

Answer 10

1. Dorsal nasal a.
2. External nasal a.

Question 11

Vascular Supply of the Nose

Identify 3 - 4

Answer 11

3. Nasal branch of the infraorbital a.
4. Lateral nasal branch of the facial a.

Question 12

Vascular Supply of the Nose

Identify 5 - 7

Answer 12

5. Alar a.
6. Septal a.
7. Facial a.

Question 13

Vascular Supply of the Nose

Source of Dorsal nasal (infratrochlear) artery?

Answer 13

1 of the terminal branches of ophthalmic a.

Question 14

Vascular Supply of the Nose

Source of External nasal artery?

Answer 14

Terminal branch of anterior ethmoid a.

Question 15

Nerve Supply of the Nose

Identify 1

Answer 15

1. Infratrochlear n.

Question 16

Nerve Supply of the Nose

Identify 2 - 3

Answer 16

2. Ophthalmic division of the trigeminal n.
3. Maxillary division of the trigeminal n.

Question 17

Nerve Supply of the Nose

Identify 4

Answer 17

4. Infraorbital n.

Question 18

Nerve Supply of the Nose

Identify 5 - 6

Answer 18

5. Nasal branch of the infraorbital n.
6. External nasal n.

Question 19

Nerve Supply of the Nose

Immediately before entering orbit, through superior orbital fissure, ophthalmic division divides into 3 major branches which are ___

Answer 19

lacrimal, frontal, and nasociliary nerves

Question 20

Nerve Supply of the Nose

Maxillary division of trigemina Travels along lateral wall of ___

Answer 20

cavernous sinus

Question 21

Nerve Supply of the Nose

Within pterygopalatine fossa, Maxillary division of trigeminal nerve gives rise to 4 branches which are ___

Answer 21

1. Infraorbital—this is continuation of
2. maxillary division
3. Posterior superior alveolar
4. Zygomatic Ganglionic