Oral Cavity

Question 1

the U-shaped mandible bones for the teeth are called?

Answer 1

alveolar arches

Question 2

hard palate is made of two things:

Answer 2

1. palatine process of maxilla

2. horizontal process of palatine bone

Question 3

what muscle is the floor of the mouth?

Answer 3

mylohyoid muscle

Question 4

Tongue posteriorly contains what tonsils?

Answer 4

lungual tonsils

Question 5

what demarcates the posterior/anterior tongue?

Answer 5

sulcus terminalis

Question 6

2 arches that surround the palantine tonsil?

Answer 6

Ant: palatoglossal arch
Post: Palatopharyngeal arch

Question 7

3 kinds of papillae on the tongue are?

Answer 7

Valate: ant. sulcus terminalis
foliate: post-latero tongue
Fungiform: surface of tongue

Question 8

what is the midline meeting point of sulcis terminalis called?

Answer 8

foramen caecum

Question 9

styloglossus does what?

Answer 9

retracts tongue

Question 10

genioglossus does?

Answer 10

protrude tongue

Question 11

hyoglossus does?

Answer 11

depress tongue

Question 12

palatoglossus does?

Answer 12

elevate tongue

Question 13

what depresses the tongue?

Answer 13

hyoglossus

Question 14

what retracts the tongue?

Answer 14

styloglossus

Question 15

what elevates tongue?

Answer 15

palatoglossus

Question 16

what protrudes tongue?

Answer 16

genioglossus

Question 17

what innervates tongue muscles?

Answer 17

hypoglossal except palatoglossus: pharyngeal branch of Vagus

Question 18

3 intrinsic muscles of tongue:

Answer 18

1. superior long.
2. inferior longi.
3. transverse and vertical

Question 19

intrinsic muscles innervated by?

Answer 19

hypoglossal

Question 20

palatoglossus muscle innervated by?

Answer 20

Vagus

Question 21

anterior 2/3 of tongue innervation?

Answer 21

1. Lingual (general) V3 Trigeminal

2. chorda tympani VII Facial

Question 22

what innervates posterior 1/3 of tongue general vs. sensory

Answer 22

both glossopharengeal

Question 23

how many teeth in adult if none removed?

Answer 23

16 upper

16 lower

Question 24

how many premolars do we have?

Answer 24

8 total

4upper and 4 lower

Question 25

What nerve supplies upper teeth?

Answer 25

maxillary nerve V2 Trigeminal

Question 26

what nerve supplies lower teeth?

Answer 26

mandibular nerve V3 trigeminal

Question 27

inferior tooth pain may refer pain where?

Answer 27

external auditory meatus via the post. auricular nerve

Question 28

superior tooth pain may refer pain where?

Answer 28

maxillary sinus

Question 29

name the 3 salivary glands:

Answer 29

1. parotid
2. submandibular
3. sublingual

Question 30

where does the duct of submandibular gland emerge?

Answer 30

lateral sides of lingual frenulum

Question 31

what is the soft palate made up of?

Answer 31

musculus uvulae

palatine aponeurosis attaches it to the hard palate

Question 32

soft palate function?

Answer 32

1. seals nasal cavity during swallowing, coughing, suction

2. allow unimpeded breathing during chewing

Question 33

what two muscles elevate the soft palate?

Answer 33

1. tensor veli palatini

2. Levator Veli Palatini

Question 34

3 muslces depress soft palate?

Answer 34

1. musculus uvulae
2. palatoglossus
3. palatopharyngeus

Question 35

what are the soft palate muscles innervated by?

Answer 35

Vagus

except tensor veli palatini (CN V)

Question 36

What is Waldeyer’s ring?

Answer 36

incomplete ring of lymphoid tissue

1. pharyngeal
2. Tubal
3. palatine
4. lingual