Oral Cavity- Nbde I

Front 1

Blue lips (cyanosis) suggest?

Back 1

disease of heart, lungs or both

Front 2

Deep nasolabial grooves may reflect?

Back 2

Chronic diseases of the digestive tract

Front 3

What constitutes the inferior boundary of the oral cavity proper?

Back 3

Muscles of the oral floor & adjacent tongue together

Front 4

What forms the roof of the oral cavity?

Back 4

Hard palate-- anterior 2/3
Soft palate (velum)-- posterior 1/3

Front 5

What bones make up the palate? (2)

Back 5

Palatine process of maxilla
Horizontal plate of palatine bone

Front 6

Suture between fused palatine processes of maxilla?

Back 6

Median palatine suture

Front 7

Suture between horizontal plate of palatine bone & palatine process of maxilla?

Back 7

Trasverse palatine suture

Front 8

Which arteries supply the palate? (3)

Back 8

1. Posterior septal branches
2. Greater palatine artery
3. Lesser palatine artery

Front 9

Which nerves supply the palate? (3)

Back 9

V-2:
1. Nasopalatine nerve
2. Greater palatine nerve
3. Lesser palatine nerve

Front 10

Which nerve supplies pink (palate lingual to incisors)?

Back 10

Pink = Nasalpalatine nerve

Front 11

What nerve innervates the blue area of the palate?

Back 11

Blue = Greater palatine nerve

Front 12

What nerve innervates the green portion in the posterior palate?

Back 12

Green = Lesser palatine

Front 13

What nerves innervate the yellow portion?

Back 13

Yellow = IO & PSA

Front 14

What nerves innervate the green/blue area buccal to the molars?

Back 14

Green/blue = Buccal nerve

Front 15

What nerve innervates light blue area labial to incisors?

Back 15

Light blue = IO & Superior labial branches

Front 16

What are the muscles of the soft palate (5)?

Back 16

1. Levator veli palatini
2. Palatopharyngeus
3. Palatoglossus
4. Musculus uvulae
5. Tensor veli palatini

Front 17

All of the muscles of the soft palate are supplied by ________ nerve, EXCEPT tensor veli palatini is supplied by?

Back 17

Accessory via Vagus:
1. Levator veli palatini
2. Palatopharyngeus
3. Palatoglossus
4. Musculus uvulae

V-3:
5. Tensor veli palatini

Front 18

4 types of lingual papillae?

Back 18

1. Filliform
2. Fungiform
3. Circumvallate
4. Foliate

Front 19

What are the EXTRINSIC muscles of the tongue? (4)

Back 19

1. Genioglossus
2. Hyoglossus
3. Styloglossus
4. Palatoglossus

Front 20

Which muscle protracts & depresses tongue?

Back 20

Genioglossus

Front 21

Which muscle depresses tongue?

Back 21

Hyoglossus

Front 22

Which muscle retracts & elevates tongue?

Back 22

Styloglossus

Front 23

Which muscle narrows oropharyngeal isthmus, elevates tongue?

Back 23

Palatoglossus

Front 24

The extrinsic muscles of the tongue are all innervated by _____ nerve EXCEPT palatoglossus which is innervated by?

Back 24

Hypoglossal XII:
1. Genioglossus
2. Hyoglossus
3. Styloglossus

Acessory via Vagus:
4. Palatoglossus

Front 25

What are the intrinsic muscles of the tongue? (4)

Back 25

1. Superior longitudinal
2. Inferior longitudinal
3. Transverse
4. Vertical

Front 26

The INTRINSIC muscles of the tongue are all innervated by what nerve?

Back 26

Hypoglossal (CN XII)

Front 27

What happens if there is unilateral lesion to the hypoglossal nerve?

Back 27

Tongue will deviate to SAME SIDE as lesion

Front 28

Which arteries supply the tongue? (5)

Back 28

1. External carotid
2. Lingual artery
3. Deep lingual artery
4. Sublingual artery
5. Dorsal lingual arteries

Front 29

Taste of the anterior 2/3 of tongue comes from which nerve?

Back 29

Facial nerve (Chorda tympani)

Front 30

Taste of the posterior 1/3 of tongue is supplied by which nerve?

Back 30

Glossopharyngeal

Front 31

General sensation of posterior 1/3 of tongue is via which nerve?

Back 31

Glossopharyngeal

Front 32

General sensation of anterior 2/3 of tongue is via?

Back 32

Lingual nerve (CN V-3)

Front 33

The tip of tongue drains to which lymph nodes?

Back 33

Submental lymph nodes
(ipsilateral & contralateral)

Front 34

The lateral sides of tongue drains to which lymph nodes?

Back 34

Submandibular lymph nodes

Front 35

The posterior 1/3 of tongue drains to which lymph nodes?

Back 35

Superior deep cervical lymph nodes
(ipsilateral & contralateral)

Front 36

The midline of tongue drains to which lymph nodes?

Back 36

Contralateral Inferior deep cervical lymph nodes

Front 37

Epiglottic region of tongue & epiglottis receive both general & taste from which nerve?

Back 37

internal laryngeal branch of VAGUS nerve

Front 38

Floor of the mouth consists of what 4 muscles?

Back 38

1. Mylohyoid
2. Geniohyoid
3. Digastric
4. Stylohyoid

Front 39

What 2 muscles of the floor of the mouth are innervated by V-3?

Back 39

1. Mylohyoid
2. Anterior belly of the digastric

Front 40

What is the innervation of the GENIOHYOID?

Back 40

C-1

Front 41

What 2 muscles of the floor of the mouth are innervated by CN VII?

Back 41

1. Posterior belly of digastric
2. Stylohyoid

Front 42

What nerves are present in the floor of the mouth? (3)

Back 42

1. Lingual nerve V-3
-Submandibular ganglion
2. Glossopharyngeal IX
3. Hypoglossal XII

Front 43

What structures are superficial (lateral) to hyoglossus muscle in floor of the mouth? (4)

Back 43

1. Lingual nerve
2. Submandibular ganglion
3. Hypoglossal nerve
4. Submandibular duct

Front 44

What structures are deep (medial) to hyoglossus in floor of the mouth? (3)

Back 44

1. Lingual artery & vein
2. Glossopharyngeal nerve
3. Stylohyoid ligament

Front 45

What muscle is KEY to floor of oral cavity?

Back 45

Hyoglossus