Gross Facial & Oral Anatomy

Question 1

What is included in the facial skeleton?

Answer 1

Orbits and below

Question 2

Where is the cranium?

Answer 2

Above orbits

Question 3

What parts of the face does the maxilla form?

Answer 3

Forms part of orbits and half of upper row of teeth (2 maxilla bones)

Question 4

What does the frontal bone form?

Answer 4

Part of skull cap and roof of orbits

Question 5

What does the mandible articulate with?

Answer 5

Temporal bone

Question 6

What is the fancy name for cheek bone?

Answer 6

Zygomatic bone/zygoma

Question 7

What muscles seal your mouth?

Answer 7

Orbicularis oris

Question 8

What muscles close your eyes?

Answer 8

Orbicularis oculi

Question 9

What muscle allows you to screw up your forehead?

Answer 9

Frontalis

Question 10

What muscles allow movement of the jaw?

Answer 10

Masticatory muscles

Question 11

What masticatory muscle is on the side of the jaw?

Answer 11

Masseter

Question 12

What masticatory muscles are on the mandible?

Answer 12

Lateral and medial pterygoids

Question 13

What are the three parts of the trigeminal nerve and what do they supply?

Answer 13

Ophthalmic - orbit, forehead

Maxillary - upper teeth, palate

Mandibular - lower teeth, chin, anterior two-thirds of tongue

Question 14

Which cranial nerve is the facial nerve?

Answer 14

VII

Question 15

Where does the facial nerve come out of the skull?

Answer 15

Stylomastoid foramen (temporal bone)

Question 16

How many branches does the facial nerve have?

Answer 16

5

Question 17

What does the facial nerve supply?

Answer 17

Muscles of the face

Question 18

What do the parasympathetic fibres of the facial nerve do?

Answer 18

Stimulate gland secretion

Question 19

What branch of the facial nerve forms the taste fibres and where are the taste fibres located?

Answer 19

Chorda tympani

Anterior two-thirds of tongue

Question 20

What is the arterial blood supply to the face?

Answer 20

External carotid

Lingual —> tongue
Facial —> face, curves under jaw
Maxillary —> very branched and terminates at maxilla

Question 21

Why does the face heal quickly?

Answer 21

Lots of anastomoses so rich blood supply

Question 22

What vein drains the venous system of the face?

Answer 22

Internal jugular

Question 23

Where is the hard and soft palate?

Answer 23

Anterior and superior region of mouth = hard

Towards posterior = soft

Question 24

What fills the mouth when closed?

Answer 24

Tongue

Question 25

Where is the buccinator muscle?

Answer 25

Cheek

Question 26

What is the major tongue muscle?

Answer 26

Genioglossus

Question 27

What separates the posterior third of the tongue from the rest of it?

Answer 27

Vallate papillae

Question 28

What nerves innervate the tongue?

Answer 28

Glossopharyngeal nerve (posterior third, general sensation) Vagus nerve (posterior third, taste) Hypoglossal nerve (muscles of tongue) Facial nerve (taste fibres) Mandibular nerve (anterior two-thirds)

Question 29

What does the inferior alveolar nerve innervate?

Answer 29

Lower teeth

Question 30

What innervates the upper teeth?

Answer 30

Maxillary nerve (trigeminal)

Question 31

What are the three main salivary glands?

Answer 31

Parotid Submandibular Sublingual

Question 32

Where does the parotid gland saliva enter the mouth?

Answer 32

Buccal side by upper second molar

Question 33

Where does the submandibular gland saliva enter the mouth?

Answer 33

Behind lower incisors

Question 34

Where does the sublingual gland saliva enter the mouth?

Answer 34

Under the tongue Multiple ducts to prevent clogging

Question 35

What kind of saliva is produced by the parotid gland?

Answer 35

Watery

Question 36

What kind of saliva is produced by the submandibular gland?

Answer 36

Watery or thick/sticky

Question 37

What kind of saliva is produced by the sublingual gland?

Answer 37

Stickier (mucous gland)

Question 38

What tissues is the nose made up of?

Answer 38

Mainly cartilage and some connective tissue

Question 39

What divides the nose?

Answer 39

Nasal septum

Question 40

What bone is in the upper region of the nose?

Answer 40

Ethmoid bone

Question 41

What causes turbulation of air in the nose?

Answer 41

Inferior concha

Question 42

Why is it good to turbulate the air in the nose?

Answer 42

Dust sticks to mucous membrane Warms air due to rich blood supply

Question 43

Which sinus is next to the pituitary gland?

Answer 43

Sphenoidal sinus

Question 44

What is the oral vestibule?

Answer 44

Cleft between lips/cheeks and teeth/gums

Question 45

What regions of the oral cavity do the teeth and gums separate?

Answer 45

Oral vestibule Oral cavity proper