Superficial Facial Features

Question 1

What are the 4 main arteries which make up the arterial supply to the face?

Answer 1

1. Ophthalmic artery
2. Maxillary artery
3. Facial artery
4. Superficial temporal artery

Question 2

What are the 7 branches of the ophthalmic artery?

Answer 2

1. Supraorbital
2. Supratrochlear
3. Infratrochlear
4. Lacrimal
5. External nasal
6. Zygomaticofacial
7. Zygomaticotemporal

Question 3

What are the 3 branches of the maxillary artery?

Answer 3

1. Infraorbital
2. Buccal
3. Mental

Question 4

What are the 3 branches of the facial artery?

Answer 4

1. Labial branches
2. Nasal branches
3. Angular branches

Question 5

What are the 3 main veins which make up the venous drainage of the face?

Answer 5

1. Common facial
2. External jugular
3. Occipital

Question 6

How does the common facial vein form?

Answer 6

Union between facial vein and anterior division of retromandibular vein

Question 7

How does the facial vein form?

Answer 7

Union of supraorbital and supratrochlear veins

Question 8

Where does the common facial vein end?

Answer 8

Internal jugular vein

Question 9

How does the external jugular vein form?

Answer 9

Union of posterior division of retromandibular vein and posterior auricular vein

Question 10

Where does the external jugular vein end?

Answer 10

Subclavian vein

Question 11

Where does the occipital vein drain?

Answer 11

Suboccipital plexus of veins

Question 12

Give 5 examples of muscles of facial expression

Answer 12

1. Occipitofrontalis
2. Orbicularis oculi
3. Orbicularis oris
4. Zygomaticus major
5. Zygomaticus minor

Question 13

What are the 3 parts of the orbicularis oculi?

Answer 13

1. Orbital part
2. Palpebral part
3. Lacrimal part

Question 14

What is the function of the orbital part of the orbicularis oculi?

Answer 14

Close the eye forcefully e.g in bright light

Question 15

What is the function of the palpebral part of the orbicularis oculi?

Answer 15

Closes eye gently e.g sleeping

Question 16

What is the function of the lacrimal part of the orbicularis oculi?

Answer 16

Squeeze tears from lacrimal sac

Question 17

What 2 nerves supply the orbicularis oculi?

Answer 17

1. Temporal from facial

2. Zygomatic from facial

Question 18

What are 2 functions of the buccinator?

Answer 18

1. Compress cheeks against teeth in sucking

2. Empties vestibule of food

Question 19

What is the nerve supply of the buccinator?

Answer 19

Buccal branch of facial nerve

Question 20

What are the 6 facial muscles which have control over the mouth?

Answer 20

1. Orbicularis oris
2. Levator anguli oris
3. Depressor anguli oris
4. Levator labii superioris
5. Depressor labii inferioris
6. Zygomaticus major

Question 21

What is the function of the orbicularis oculi?

Answer 21

Closes mouth

Question 22

What is the function of the levator anguli oris?

Answer 22

Lift angles of the mouth

Question 23

What is the function of the depressor anguli oris?

Answer 23

Pulls angles of the mouth down

Question 24

What is the function of the levator labii superioris?

Answer 24

Raise upper lip

Question 25

What is the function of the depressor labii inferioris?

Answer 25

Depress lower lip

Question 26

What is the function of the zygomaticus major?

Answer 26

Laughing

Question 27

What nerve supplies the facial muscles which control the mouth?

Answer 27

Facial nerve