Face and Scalp

Question 1

what are the 5 layers of the scalp?

Answer 1

Skin
Connective tissue
aponeurosis
loose areolar connective tissue
pericranium

Question 2

what is the innervation of the occipitofrontalis?

Answer 2

facial nerve

Question 3

what are the 6 nerves that supply sensory nerve function to the scalp (in the superficial fascia)?

Answer 3

supratrochlear nerve
supraorbital nerve
zygomaticotemporal nerve
auriculotemporal nerve
lesser occipital nerve
greater occipital nerve

Question 4

all of the arteries to the scalp are from the external carotid artery except which 2?

Answer 4

supratrochlear and supraorbital

Question 5

what are the 5 arteries that supply blood to the scalp?

Answer 5

supratrochlear
supraorbital
superficial temporal artery
posterior auricular artery
occipital artery

Question 6

what are the 5 veins that drain the scalp

Answer 6

external jugular vein'
occipital vein
superficial temporal vein
supratrochlear vein
supraorbital vein

Question 7

where does the forehead and anterior part of the scalp drain?

Answer 7

submandibular lymph nodes

Question 8

where does the lateral part of the scalp above the ear drain?

Answer 8

parotid nodes

Question 9

where does the back of the scalp drain?

Answer 9

occipital nodes

Question 10

where does the area above and behind the ear drain?

Answer 10

mastoid nodes

Question 11

what is the sensory innervation of the skin of the face supplied by?

Answer 11

3 branches of the trigeminal nerve (opthalmic, maxillary, mandibular)

Question 12

what are the 5 divisions of the opthalmic branch of the trigeminal nerve?

Answer 12

infratrochlear
supratrochlear
supraorbital
extra nasal
lacrimal

Question 13

what are the 3 branches of the maxillary division of the trigeminal nerve?

Answer 13

infraorbital
zygomaticotemporal
zygomaticofacial

Question 14

what are the 3 branches of the mandibular division of the trigeminal nerve?

Answer 14

mental nerve
buccal nerve
Auriculotemporal n.

Question 15

what are the 2 main arteries that supply blood to the face?

Answer 15

superficial temporal artery

facial artery

Question 16

what are the branches of the facial artery?

Answer 16

inferior labial artery
superior labial artery
submental artery
lateral nasal artery

Question 17

what is the branch of the superficial temporal artery?

Answer 17

transverse facial artery

Question 18

the facial vein is connected to the superior opthalmic vein. Why is this important clinically?

Answer 18

this superior opthalmic vein is connected to the cavernous sinus. Infection can spread from the face to the cavernous sinus this way

Question 19

where does lymph from the forehead and anterior part of the face drain?

Answer 19

submandibular lymph nodes

Question 20

where does lymph from the lateral parts of face and lateral part of eyelids drain?

Answer 20

parotid nodes

Question 21

where does lymph from the central part of the lower lip and skin of chin drain?

Answer 21

submental lymph nodes

Question 22

what is the sphincter muscle of the eyelid?

Answer 22

orbicularis oculi

Question 23

What is the sphincter muscle of the nose?

Answer 23

compressor naris

Question 24

What is the sphincter muscle of the mouth?

Answer 24

orbicularis oris

Question 25

what is the innervation of the buccinator muscle?

Answer 25

buccal branch of the facial nerve

Question 26

what pierces the buccinator muscle?

Answer 26

parotid duct

Question 27

what are the branches of the facial nerve?

Answer 27

temporal
zygomatic
buccal
mandibular
cervical

Question 28

what is the action of the occipitofrontalis?

Answer 28

move the scalp on the skull and raise the eyebrows

Question 29

what 2 veins come together to form the external jugular vein?

Answer 29

posterior auricular vein + posterior division of the retromandibular vein