Scalp

Question 1

what are the layers of the scalp

Answer 1

o	S: Skin.  
o	C: Connective tissue.  
o	A: Aponeurosis.  
o	L: Loose connective tissue.  
o	P: Periosteum.

Question 2

what nerve innervated scalp

Answer 2

Branches of the trigeminal nerve

lesser occipital nerve greater occipital nerve

Question 3

scalp layer that is Continuous with eyelids and root of nose

Answer 3

Loose Connective Tissue

Question 4

Blood Supply of the Scalp

Answer 4

Branches of internal and external carotid arteries, including

1. supraorbital,
2. superficial temporal,
3. posterior auricular,
4. occipital arteries

Question 5

Infection in layer 4 of scalp (loose CT) can spread to cranial cavity via

Answer 5

emissary veins to dural venous sinuses.

Question 6

3 sections of Occipitofrontalis

Answer 6

Frontalis muscle belly
Epicranial aponeurosis
Occipitalis muscle belly

Question 7

action of Frontalis muscle

Answer 7

elevates eyebrows

Question 8

Orbicularis oculi action

Answer 8

closes eyelids, protects eye

Question 9

Orbicularis oculi 2 parts

Answer 9

1. Palpebral Part

2. Orbital Part

Question 10

Action: gently closes eyelids

Answer 10

Palpebral Part

Question 11

Major Muscles of Facial Expression nerve

Answer 11

facial CN 7

Question 12

motor innervation to the occipitalis belly of occipitofrontalis

Answer 12

Facial: posterior auricular nerve

Question 13

5 branches of facial

Answer 13

(Posterior auricular) 
o	Temporal
o	Zygomatic
o	Buccal
o	Mandibular
o	Cervical

Question 14

what nerve peirces parotid gland

Answer 14

facial

Question 15

how does the facial nerve exit the skull

Answer 15

stylomastoid foramen

Question 16

This layer allows the first three layers (skin, connective tissue, aponeurosis) to slide over it as one unit

Answer 16

loose connective tissue

Question 17

what layer of the scalp is the danger zone

Answer 17

loose connective tissue

Question 18

infection of CN 7

Answer 18

bells palsy

Question 19

supraorbital nerve is a branch of what nerve

Answer 19

opthamic nerve (V1)

Question 20

infraorbital nerve is a branch of what nerve

Answer 20

maxillary

Question 21

facial artery is a branch of

Answer 21

external carotid

Question 22

o Gives off superior and inferior labial arteries to the upper and lower lips

Answer 22

facial artery

Question 23

ophthalmic artery is a branch of what artery

Answer 23

internal carotid artery

Question 24

maxillary is a branch of what artery

Answer 24

external carotid