Superficial Face and Scalp

Question 1

5 layers of the scalp (superficial to deep)

Answer 1

Skin
Dense CT
Aponeurosis
Loose CT
Pericranium

Question 2

What is a gaping vs. non-gaping wound?

Answer 2

Gaping - cut thru the aponeurosis.

Non-gaping - aponeurosis intact

Question 3

Which layer is most prone to infection?

Answer 3

Loose CT layer

Question 4

Orientation: lateral view

Answer 4

Parotid gland/duct
Branches of the facial n.
Ms. of facial expression
Ms. of mastication
Facial a. and v.

Question 5

Ms. of facial expression

Answer 5

Frontalis (occipitofrontalis) m.
Orbicularis oculi m.
Levator labii superioris m.
Zygomaticus m.
Risorius m.
Orbicularis orbis
Platysma m.
Buccinator m.

Question 6

Ms. of masticaiton are innervated by?

Answer 6

CN V –> V3 (mandibular n.)

Question 7

Ms. of mastication

Answer 7

Temporalis m.
Masseter m.
Medial pterygoid m.
Lateral pterygoid m.

Question 8

Which nerve innervates ms. of facial expression?

Answer 8

Facial n.

Question 9

What are the motor branches of CN VII?

Answer 9

Temporal 
Zygomatic
Buccal
Mandibular
Cervical

Question 10

Sensory root of CN VII does what?

Answer 10

Taste to anterior 2/3 of tongue via chorda tympani n.

PSNS fibers to lacrimal gland, submandibular gland and salivary glands. Tear production.

Question 11

Bell’s palsy

Answer 11

Paralysis of ms. of facial expression on one side of the face.

Question 12

Which nerves do cutaneous sensation to the face?

Answer 12

Ophthalmic n. (V1)
Maxillary n. (V2)
Mandibular n. (V3)

Question 13

Branches of ophthalmic n. that do cutaneous sensation (2)

Outline the area they innervate:

Answer 13

Supratrochlear n.
Supraoptic n.

Top of head, forehead, around eyes to tip of nose.

Question 14

Branch of maxillary n. that does cutaneous innervation to the face?

Outline the area it innervates:

Answer 14

Infraorbital n.

Narrow at the temples to tip of nose to the upper lip.

Question 15

Branches of the mandibular n. that provide cutaneous innervation to the face (2)

Outline the area they innervate:

Answer 15

Mental n. (inferior alveolar n.)
Buccal n.

Temples to ear and from lower lip to chin and jaw.

Question 16

Herpes zoster (shingles) follows which dermatomes?

Answer 16

Dermatomes of CN V

Question 17

BVs of the face (5)

Answer 17

Facial a/v
Superficial temporal a/v
Supraorbital a/v
Supratrochlear a/v

Question 18

Sensory innervation of parotid gland

PSNS innervation of parotid gland

Answer 18

Great auricular n.

CN IX via posterior auricular n.

Question 19

As. of the scalp (5)

Answer 19

Supratrochlear a.
Supraorbital a.
Superficial temporal a.
Posterior auricular a.
Occipital a.

Question 20

Where does lymph from the head drain?

Where are the only locations of LNs in the head?

Answer 20

Superficial ring at junction of head/neck.

Near parotid/buccal region.

Question 21

Superficial lymphatic vessels accompany:

Deep lymphatic vessels accompany:

Answer 21

Veins

Arteries

Question 22

Lymph from lateral face, scalp and eyelids drain into:

Then into:

Answer 22

Superficial parotid LNs –> deep cervical LNs.

Question 23

Lymph from upper lip and lateral lip drains into:

Answer 23

Submandibular LNs

Question 24

Lymph from chin and central lower lip drains into:

Answer 24

Submental LNs