9.1 The Oral Cavity and Tongue

Question 1

Where is the oral vestibule?

Answer 1

Between lips and teeth

Question 2

Where does the parotid gland open into the oral cavity?

Answer 2

Opposite 2nd molar tooth

Question 3

What kind of mucous membrane lines the inner cheek?

Answer 3

Buccal mucosa

Question 4

What kind of mucous membrane lines the lower gum?

Answer 4

Inferior buccal gingiva

Question 5

What kind of mucous membrane lines the upper gum?

Answer 5

Superior buccal gingiva

Question 6

What kind of mucous membrane lines the inner lip?

Answer 6

Labial mucosa

Question 7

What attaches the lips to the gums?

Answer 7

Labial frenulum

Question 8

What attaches the tongue to the inferior oral cavity?

Answer 8

Lingual frenulum

Question 9

What is the hard palate?

Answer 9

Superior border of oral cavity

Bony plate separating nasal cavity from oral cavity

Question 10

What epithelium is found in the oral cavity?

Answer 10

Stratified squamous

Question 11

What bones make up the hard palate?

Answer 11

Maxilla
Palatine
Pterygoid
Vomer

Question 12

What is the soft palate?

Answer 12

Posterior border of the oral cavity

Muscular structure of soft tissue

Question 13

Name the muscles that make up the soft palate of the oral cavity

Answer 13

Levator veli palatini
Tensor veli palatini 
Palato pharyngeus 
Palato glossus 
Uvulae

Question 14

Which muscles of the oral cavity are innervated by the vagus nerve?

Answer 14

Tensor veli palatini
Palato pharyngeus
Palato glossus

Question 15

If there is damage to the nerves of the left side of the soft palate, which way will the tongue deviate?

Answer 15

Right- moves away

Question 16

Give 2 examples of when the airway can be lost

Answer 16

Anaphylactic shock
Foreign body blockage
Mouth abscesses

Question 17

Where do the submandibuar and sublingual glands open up into the oral cavity?

Answer 17

Floor of mouth, lateral to lingual frenulum

Question 18

Name the 4 areas of lymphoid tissue in/around the oral cavity

Answer 18

Palatine tonsil
Lingual tonsil
Adenoids
Tubal tonsil

Question 19

Why is it important to have lymphoid tissue in the oral cavity?

Answer 19

Entry site for pathogens via air, food or water

Question 20

List the 3 parts of the tongue

Answer 20

Apex
Body
Root

Question 21

Which nerve innervates the motor function of the tongue?

Answer 21

Hypoglossal

Question 22

Which nerve innervates the sensory function of the tongue?

Answer 22

Glossopharyngeal

Question 23

Which nerves innervate the special sensory function of the tongue?

Answer 23

Chorda tympani

Lingual nerve

Question 24

Name the intrinsic muscles of the tongue

Answer 24

Superior longitundinal
Vertical
Transverse
Inferior longitudinal

Question 25

Name the extrinsic muscles of the tongue

Answer 25

Styloglossus
Hypoglossus
Genioglossus

Question 26

Name the teeth

Answer 26

Central incisor 
Lateral incisor
Canine
1st premolar
2nd premolar
1st molar
2nd molar
3rd molar (wisdom tooth)

Question 27

What is a cleft palate?

Answer 27

Deformity in the formation of the hard palate

Question 28

What is a cleft lip?

Answer 28

Deformity in the nasolabial septum

Question 29

What is gingivitis?

Answer 29

Inflammation of the gingiva

Question 30

What is tonsillitis?

Answer 30

Inflammation of the tonsils

Question 31

What is a peritonsillar abscess?

Answer 31

Result of deep infection of the tonsils which causes deviation of the uvula. Absesses can burst and pus drains into throat. Also called Quinsy

Question 32

What is a mucocoele?

Answer 32

Ulcer of the lip