Face and Scalp

Question 1

What is this muscle?

Answer 1

Mentalis

Question 2

What are the layers of the scalp from external to internal?

Answer 2

Skin
Connective tissue
Aponeurosis (between frontalis and occipitalis)
Loose areolar connective tissue
Periosteum (pericranium)

Question 3

What are the arteries that supply the face?

Answer 3

Facial artery (branch of ECA)
Transverse facial artery (branch of superficial temporal artery)
Supratrochlear and Supraorbital branch off ICA to forehead

Question 4

What is this muscle?

Answer 4

Buccinator

Question 5

What does levator anguli superioris do?

Answer 5

Elevates the corners of the lips

Question 6

What muscle allows for this expression?

Answer 6

Nasalis

Question 7

What muscles make this expression?

Answer 7

Levator labii superioris

Depressor labii inferioris

Question 8

What muscles are supplied by the buccal branch of the facial nerve? (7)

Answer 8

Zygomaticus major and minor
Levator labii superioris 
Levator anguli oris 
Buccinator 
Orbicularis oris
Nasalis

Question 9

What is the clinical importance of emissary veins?

Answer 9

Forms a communication between the superficial veins of the scalp in the connective tissue layer and the dural venous sinuses
Gives a potential route for infection to pass to the meninges

Question 10

What is this muscle?

Answer 10

Levator Anguli Oris

Question 11

What is this muscle?

Answer 11

Zygomaticus Major

Question 12

What is this muscle?

Answer 12

Platysma

Question 13

What is this muscle?

Answer 13

Depressor Labii Inferioris

Question 14

What muscle makes this movement?

Answer 14

Occipito-Frontalis

Question 15

What is highlighted?

Answer 15

Sphenoid bone

Question 16

What muscle is responsible for this expression?

Answer 16

Platysma

Question 17

What muscle allows for this expression?

Answer 17

Orbicularis Oris

Question 18

What is this muscles?

Answer 18

Depressor Anguli Oris

Question 19

What muscle allows this movement?

Answer 19

Orbicularis oculi

Question 20

What muscles can create this facial expression?

Answer 20

Zygomaticus Major and Minor

Question 21

What is this muscle?

Answer 21

Orbicularis Oculii

Question 22

What muscle allows for this?

Answer 22

Buccinator

Question 23

What muscles of facial expression are supplied by the temporalis branch of the facial nerve? (2)

Answer 23

Frontalis

Oribicularis occuli

Question 24

What is this muscle?

Answer 24

Levator labii superioris alaeque nasi

Question 25

What are the dilators of the mouth?

Answer 25

Muscles that help to open the mouth - levator muscles above the mouth and depressor muscles below

Question 26

What are the branches of the facial nerve (6)?

Answer 26

``` Posterior auricular Temporal Zygomatic Buccal Mandibular Cervical ```

Question 27

What muscle is supplied by the zygomatic branch of the facial nerve?

Answer 27

Orbicularis occuli

Question 28

What is this muscle?

Answer 28

Levator Labii Superioris

Question 29

What arteries supply the scalp?

Answer 29

Supratrochlear and Supraorbital arteries supply the anterior aspect of the scalp (derived from branches of ICA) Rest of scalp is supplied by posterior branches of the ECA - Superficial temporal - Posterior auricular - Occipital

Question 30

What muscles make this expression?

Answer 30

The dilators of the mouth: - Risorius - Levator labii superioris - Depressor labii inferioris

Question 31

What is this muscle?

Answer 31

Zygomaticus Minor

Question 32

What is highlighted?

Answer 32

Mastoid process

Question 33

What is this muscle?

Answer 33

Nasalis

Question 34

Describe the dermatomes of the head and neck

Answer 34

C1 dermatome is replaced by the divisions of the trigeminal nerve to the face C2 dermatome covers the posterior part of the head C3 covers most of the neck

Question 35

What muscle makes this expression?

Answer 35

Depressor anguli oris

Question 36

What muscle is shown?

Answer 36

Frontalis / Occipitofrontalis

Question 37

What muscle is highlighted?

Answer 37

Corrigator Supercili

Question 38

What is this muscle?

Answer 38

Procerus

Question 39

What muscles of facial expression are supplied by the posterior auricular branch of the facial nerve?

Answer 39

Occipitalis

Question 40

What muscle makes a happy, smiling facial expression?

Answer 40

Risorius

Question 41

What muscles are supplied by the marginal mandibular branch of the facial nerve? (3)

Answer 41

Depressor anguli oris Depressor labii inferioris Mentalis

Question 42

What bones are highlighted?

Answer 42

Zygomatic bones

Question 43

What is the action of the levator labii superioris?

Answer 43

Elevates the lips

Question 44

What is this muscle?

Answer 44

Orbicularis oris

Question 45

What veins drain into the Internal Jugular Vein?

Answer 45

Facial vein | Anterior part of the retromandibular vein

Question 46

What is highlighted?

Answer 46

Styloid process

Question 47

True or False? The facial artery is the second branch of the ECA?

Answer 47

False! - Its the third branch

Question 48

What is highlighted?

Answer 48

The maxilla

Question 49

Describe the lymphatic drainage of the face and scalp

Answer 49

Drained into nodes in the occipital, mastoid, parotid, submandibular, and submental areas. Passes into the deep cervical nodes, which are close to the internal jugular vein

Question 50

What is this muscle?

Answer 50

Risorius muscle

Question 51

What muscle is supplies by the cervical branch of the facial nerve?

Answer 51

Platysma

Question 52

What muscle is highlighted?

Answer 52

Occiitalis | Part of fronto-occipitalis

Question 53

What muscle allows this movement?

Answer 53

Procerus

Question 54

What is the role of the mentalis?

Answer 54

Helps to pull down the lower lip