L21. Clinical Anatomy of the Face

Question 1

Name the part of the skull which covers the brain.

Answer 1

Neurocranium

Question 2

What is the roof of the neurocranium called?

Answer 2

Calvaria

Question 3

What is the floor of the neurocranium called?

Answer 3

Cranial base

Question 4

Which bones make up the cranial base?

Answer 4

ethmoid, sphenoid, occipital, frontal and temporal bones.

Question 5

Name the bone which covers the face.

Answer 5

Viscerocranium

Question 6

Name the 3 branches of the trigeminal nerve.

Answer 6

1. Opthalmic
2. Maxillary
3. Mandibular

Question 7

How do you test the integrity of the trigeminal nerve?

Answer 7

Close your eyes.

Touch each region on both sides (6 touches in total)

Question 8

How many muscles does the face have?

Answer 8

43

Question 9

What are muscles attached to on each side?

Answer 9

Bone on one side, skin on the other.

Question 10

Which nerve are the facial muscles supplied by?

Answer 10

Facial nerve

Question 11

Which muscle closes the eye?

Answer 11

Palpebral part (eyelid) of the orbicularis oculi

Question 12

Which muscle surrounds the eye?

Answer 12

The orbital part of the orbicularis oculi

Question 13

Which nerve runs through the parotid gland?

Answer 13

Facial nerve

Question 14

Describe how Bell’s Palsy arises and what it causes.

Answer 14

When the facial nerve becomes inflamed in the mental foramen, it cannot function. It causes drooping of one side of the face for up to 6 months.