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Flashcards in All Deck (137)
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1

What joints are responsible for mastication and where are these?

TMJs (synovial joints) fond between mandibular fossa and articular tubercle of temporal bone and head of condylar process of mandible)

2

Name the muscles of mastication.

Masseter temporalis and medial pterygoid for closing, lateral pterygoid for opening

3

What muscle prevents drooling?

Orbicularis oris

4

What type of epithelium covers the mucosa or the oral cavity?

stratified squamous

5

Where in the oral cavity has surface keratin?

gingivae and hard palate

6

What is the tongue made of and what are the 4 types of papillae?

Skeletal muscle. Foliate, vallate, fungiform and filiform

7

Which type of papillae is for touch/temperature?

filiform

8

What is the buccinator?

muscle of the cheek

9

What are the 3 main pairs of salivary glands?

Parotd, submandibular and sublingual

10

What is the pharynx lined with?

Non-keratinised stratified squamous mucosa

11

Is the muscle of the pharynx voluntary or non voluntary?

Voluntary

12

What do the tonsils produce?

white blood cells

13

What does the Waldeyer's ring of tonsils do?

Defend against pathogens

14

Which walls of the pharynx contain skeletal muscles involved in swallowing?

posterior and lateral

15

What do the uvula and epiglottis do?

Guide the bolus away from the midline laryngeal inlet

16

What is the laryngeal inlet?

Opening into the larynx for air

17

What type of mucosa lines the oesophagus?

stratified squamous

18

What nerve supplies the muscles of mastication?

trigeminal

19

Which nerve supplies the function of specialised taste and general sensation?

CNIX

20

What nerve supplies taste only?

CNVII

21

Which nerve supplies general sensation only?

CNV3

22

Which nerve supplies the general sensation on gingiva of superior half of oral cavity and palate?

CNV2

23

What is the chordi tympani a branch of?

CNV2

24

WHat are the extrinsic muscles of the tongue?

Palatoglossus, styloglossus, hypoglossus, genioglossus

25

What supplies these?

CNXII

26

Where does the hypoglossal nerve exit the CNS?

Medulla

27

Which nerve is responsible for innervating the posterior wall of the oropharynx?

CNIX

28

Which nerves are involved in the gag reflex

CNIX and CNX

29

Are the muscles involved in swallowing skeletal or smooth?

swallowing

30

What is the cricopharyngeus?

A complete circle of skeletal muscle at C6