Oral Cavity

Question 1

What is the posterior boundary of the oral cavity?

Answer 1

Palatoglossal arch

Question 2

What is the function of the soft palate?

Answer 2

Closes nasopharynx from oropharynx when swallowing

Question 3

The hard palate is this portion of the oral cavity

Answer 3

Anterior 2/3

Question 4

What muscle make up the palatine aponeurosis?

Answer 4

Tensor veli palatini m.

Palatoglossus m.

Question 5

What is the function of the palatine aponeurosis?

Answer 5

Moves soft palate to close off oral cavity during swallowing

Question 6

The muscular body of the soft palate

Answer 6

Levatro velipalatini m.

Question 7

The tendon of the tensor palatini muscle is held in place by this

Answer 7

Pterygoid hamulus

Question 8

What is the action of the levator veli palatini m.?

Answer 8

Raises the soft palate from the sides

Question 9

Where is the levator veli palatini m. found?

Answer 9

Along the eustachian tube

Question 10

Where does the descending palatine a. descend through?

Answer 10

Palatine canal

Question 11

What are the two branches of the descending palatine a.?

Answer 11

Greater and lesser palatine aa.

Question 12

What does the greater palatine a. supply?

Answer 12

Anterior palate

Question 13

What does the lesser palatine a. supply?

Answer 13

Posterior palate

Question 14

The ascending palatine artery is a branch of this

Answer 14

Facial a.

Question 15

The palatine a. is a branch of this

Answer 15

Ascending pharyngeal a.

Question 16

Venous drainage of the soft palate is supplied by these

Answer 16

Pterygoid and pharyngeal plexuses

Question 17

Motor function to the soft palate are supplied by these nerves

Answer 17

Mandibular n.

Vagus n.

Question 18

Preganglionic parasympathetic innervation to the soft palate is supplied by this nerve

Answer 18

Greater petrosal n.

Question 19

The deep petrosal nerves supplies this to the soft palate

Answer 19

Postganglionic sympathetic innervation

Question 20

The tensor veli palatini nerve is derived from this embryonic area

Answer 20

First pharyngeal arch

Question 21

The palatine tonsils are located behind this muscle

Answer 21

Palatoglossus m.

Question 22

Bleeding from this vein is common during tonsilectomies

Answer 22

Paratonsillar v.

Question 23

This nerve may be damaged during a tonsilectomy

Answer 23

CN IX

Question 24

The lingual nerve is a branch of this

Answer 24

CN V3

Question 25

Where does the lingual nerve emerge?

Answer 25

Between lateral and medial pterygoid mm.

Question 26

Where is the submandibular ganglion located?

Answer 26

Level of third molar

Question 27

The submandibular ganglion is suspended from this nerve

Answer 27

Lingual

Question 28

The submandibular gangion relays parasympathetic fibers from this nerve

Answer 28

Chorda tympani n.

Question 29

The parasympathetic fibers of the submandibualr ganglion travel to these glands

Answer 29

Submandibular | Sunlingual

Question 30

Where are the sympathetic fibers of the submandibular ganglion from?

Answer 30

External carotid plexus

Question 31

Where is the hypoglossal nerve located?

Answer 31

Deep to posterior belly of the digastric and styloidhyoid mm.

Question 32

The hypoglossal nerve ends here

Answer 32

Posterior tongue

Question 33

What is the function of the hypoglossal n.?

Answer 33

Motor innervation to posterior tongue

Question 34

What is the action of the glossopharyngeal n.?

Answer 34

Sensory innervation to posterior tongue

Question 35

What are the muscles of the tongue?

Answer 35

``` Palatoglossus m. Styloglossus m. Hyoglossus m. Genioglossus m. Intrinsic mm. ```

Question 36

The intrinsic muscles of the tongue do this

Answer 36

Alter the shape of the tongue

Question 37

What is the action of the genioglossus m.?

Answer 37

Protrude tongue

Question 38

Unilateral paralysis of the nerve affects straight protrusion

Answer 38

CN XII

Question 39

Artery that supplies most of the superficial structures of the oral cavity

Answer 39

Facial a.

Question 40

What artery supplies the deep oral cavity?

Answer 40

Lingual a.

Question 41

What are the three branches of the lingual a.?

Answer 41

Dorsal lingual a. Deep lingual a. Sublingual a.

Question 42

What is the function of the chorda tympani n.?

Answer 42

Taste to anterior 2/3 of tongue

Question 43

The fibers of the chorda tympani n. travels with this

Answer 43

Lingual n.

Question 44

What is the function of the glossopharyngeal n.?

Answer 44

Taste and sensory to posterior 1/3 of tongue

Question 45

What is the function of the vagus n.in the oral cavity?

Answer 45

Taste ans sensory from root of tongue and epiglottis

Question 46

Nerve that supplies sensory to anterior 2/3 of tongue

Answer 46

Lingual n.

Question 47

The ASA and MSA are branches of this

Answer 47

Infraorbital a.

Question 48

The PSA is a branch of this

Answer 48

Maxillary a.

Question 49

The inferior alveolar a. is a branch of this

Answer 49

Maxillary a.