L82: The Face

Question 1

Name the two parts of the cranium:

Answer 1

• Neurocranium;

- Viscerocranium.

Question 2

What is the roof of the cranium called?

Answer 2

Calvaria

Question 3

What is the floor of the cranium called?

Answer 3

Cranial base

Question 4

Name the eight bones of the cranium:

Answer 4

• Parietal x 2;
• Temporal x 2;
• Occipital;
• Frontal;
• Ethmoid;
• Sphenoid.

Question 5

How many bones constitute the viscerocranium?

Answer 5

14

Question 6

Which cranial nerve innervates the face (sensory)?

Answer 6

CNV - Trigeminal Nerve

Question 7

Name the three divisions of the trigeminal nerve:

Answer 7

• Ophthalmic;
• Maxillary;
• Mandibular.

Question 8

Name the muscles of mastication:

Answer 8

• Masseter;
• Temporalis;
• Pterygoids (lateral and medial).

Question 9

How many facial muscles are there?

Answer 9

43

Question 10

How are the facial muscles attached?

Answer 10

To the skin and fascia/bone

Question 11

What cranial nerve are the facial muscles supplied by?

Answer 11

CNVII - Facial Nerve

Question 12

What are the three groups of oral muscles?

Answer 12

• Retractors (pull back);
• Evertors (push forward);
• Elevators (pull up).

Question 13

What is the name of the muscle that sounds the whole mouth?

Answer 13

Orbicularis Oris

Question 14

Which muscle is used to blow out your cheeks?

Answer 14

Buccinator

Question 15

What is Bell’s Palsy?

Answer 15

Facial paralysis on one side of the face

Question 16

How does Bell’s Palsy differ from a stroke, clinically?

Answer 16

After a stroke, the forehead is spared from paralysis due to CNVII

Question 17

When is Bell’s Palsy diagnosed?

Answer 17

When there is no other specific cause that can be identified for paralysis

Question 18

What are the anatomical boundaries of the face?

Answer 18

Chin to forehead AND ear to ear