Face

Question 1

State features of muscles of facial expression.

Answer 1

Insert to skin
Form from mesoderm of second pharyngeal arch
Innervated by facial nerve

Question 2

The temporal branch of facial nerve supplies which structures?

Answer 2

Corrugator supercilli
Upper part of orbicularis oculi
Frontalis

Question 3

Which facial expression muscle is involved in laughing?

Answer 3

Zygomaticus major

Question 4

Enumerate cutaneous innervation of face

Answer 4

Trigeminal nerve
V1(opthalmic division) - goes to supply from anterior half of scalp, to upper eyelidss and forehead up to nose midline
V2(maxillary division) - goes to supply upper cheeks, upper lip
V3 (mandibular division) - supplies lower cheeks, lower lip, and mandible area

Great auricular nerve (c2-c3) - supplies skin over angle of mandible

Question 5

Describe Bell’s Palsy

Answer 5

When facial nerve is compressed in facial canal near stylomastoid foramen
A LMN paralysis

Question 6

At which point does facial artery arise?

Answer 6

In carotid triangle at level of greater cornu of hyoid bone

Question 7

location of lacrimal gland

Answer 7

lacrimal fossa of frontal bone; roof of orbit

Question 8

Orbicularis oculi attaches to which fascia to cause emptying of lacrimal sac?

Answer 8

Lacrimal fascia

Question 9

The lacrimal nerve is a branch of…

Answer 9

Ophthalmic nerve