Gross Facial and Oral Anatomy

Question 1

What does the frontal bone in the skull make up?

Answer 1

The cap of the skull and the roof of the eye socket

Question 2

Where are the two seals of muscle in the face found and what are they called?

Answer 2

Around the eye and mouth.
Eye = orbicularis oculi
Mouth = orbicularis oris

Question 3

What muscles of the face allow for a puzzled look?

Answer 3

Frontal muscles

Question 4

What are masticatory muscles needed for?

Answer 4

To tense the jaw and to move it from side to side

Question 5

Why is the natural position of the mouth closed?

Answer 5

To avoid infection

Question 6

What is the nerve which supplies the mandible and maxilla called?

Answer 6

The trigeminal nerve

Question 7

What does the trigeminal nerve mainly supply and how many divisions does it have?

Answer 7

Mainly supplies the muscles of mastication and it has 3 divisions.

Question 8

Is the part going towards the orbit and towards the maxilla of the trigeminak nerve , sensory or motor?

Answer 8

Sensory

Question 9

Is the part coming down to the mandilble or the trigeminal nerve sensory or motor? What does this part supply?

Answer 9

Motor and it supplies the anterior 2/3 of the tongue.

Question 10

What parts of the trigeminal nerve do you need to get ti?

Answer 10

The maxillary and mandibular divisions of the trigeminal nerve.

Question 11

In terms of sensory innervation of the face, what are the three nerves supplying from top downwards?

Answer 11

Opthalmic, maxillary and mandibular.

Question 12

Which nerve supplies the muscles of the face (motor)? Which nerve supplies the skin (sensory)?

Answer 12

Facial nerve, trigeminal nerve

Question 13

Which artery supplies the neck and head?

Answer 13

The common carotid artery

Question 14

Which part of the common carotid artery supplies what?

Answer 14

Internal supplies a part of the brain and external supplies the face and neck

Question 15

Which artery supplies the tongue?

Answer 15

Lingual artery

Question 16

What do blood vessels do to increase blood supply to the face?

Answer 16

The vessels mix together

Question 17

What artery goes to the lower jaw? Why does it have this name?

Answer 17

The maxillary artery and because it terminates in the maxilla.

Question 18

What vein does the facial vein come down and drain into?

Answer 18

The internal jugular vein

Question 19

What are there none of in the veins of the head? Where is the first one found?

Answer 19

No valves (gravity is used), first valvue is found in the internal juglar vein.

Question 20

What tissue is the top of the mouth made of?

Answer 20

Hard at the anterior and soft at the posterior

Question 21

What gives the lower mouth a soft base?

Answer 21

Soft tissue, salivary glands and muscle

Question 22

What will happen if something is kept in the mouth?

Answer 22

The bone will begin to remodel and cause changes to the mouth shape

Question 23

How much of the tongue is in the oral pharynx?

Answer 23

1/3

Question 24

Why does the visible 2/3 have glands and mucous membranes?

Answer 24

To keep the mouth moist

Question 25

When are the minor glands in operation?

Answer 25

All the time

Question 26

What does the hyoglossus nerve supply?

Answer 26

The tongue

Question 27

What is the difference in the secretion of the parotid gland and the submandibular gland?

Answer 27

The submandibular is less watery

Question 28

Why are there blood capillaries underneath the mucous membrane?

Answer 28

To warm up the air before it enters the lungs

Question 29

What are the roles of sinuses in the head?

Answer 29

To keep the weight of the head as low as possible