Mouth and Tongue

Question 1

Which nerves supply the hard palate?

Answer 1

Greater palatine branch of V2

Nasopalatine branch of V2

Question 2

Which nerve supplies the soft palate?

Answer 2

Lesser palatine branch of V2

Question 3

Which artery supplies the hard palate?

Answer 3

Greater palatine artery (Maxillary branch)

Question 4

Which artery supplies the soft palate?

Answer 4

Lesser palatine artery (Maxillary branch)

Question 5

Name the 5 muscles associated with the soft palate?

Answer 5

Tensor veli palatini (tenses the soft palate)
Levator veli palatini
Palatoglossus (continues with extrinisic muscle of tongue)
Palatopharygeus
Muculae uvulae

Question 6

What is the nerve innervation for tensor veli palatini?

Answer 6

V3 mandibular branch

Question 7

What is the nerve innervation for levator veli palatini?

Answer 7

CN X - vagus

Question 8

What is the nerve innervation for palatoglossus?

Answer 8

CN X - vagus

Question 9

What is the nerve innervation for palatopharyngeus?

Answer 9

CN X - vagus

Question 10

What is the nerve innervation for uvula musculae?

Answer 10

CN X - vagus

Question 11

Which bone is commonly fractured during strangulation?

Answer 11

Hyoid bone

Question 12

In the mouth name the anterior arch?

Answer 12

Palatoglossal arch (palatoglossus muscle)

Question 13

In the mouth name the posterior arch?

Answer 13

Palatopharyngeal arch (palatopharyngeal muscle)

Question 14

In the mouth which structure lies in-between the two arches?

Answer 14

Palatine tonsil

Question 15

Which two muscles form the floor of the mouth?

Answer 15

Mylohyoid

Geniohyoid

Question 16

What is the nerve innervation to mylohyoid?

Answer 16

V3 - Posterior branch

Question 17

Where does mylohyoid attach within the mouth?

Answer 17

To the mylohyoid line on the mandible

Question 18

What is the nerve innervation to geniohyoid?

Answer 18

C1

Question 19

Where does geniohyoid attach within the mouth?

Answer 19

To the inferior geniohyoid tubercle on the mandible

Question 20

Name the 4 extrinsic muscles of the tongue?

Answer 20

Genioglossus - largest
Hypoglossus - lateral to genioglossus
Styloglossus
Palatoglossus

Question 21

What is the nerve innervation of genioglossus?

Answer 21

CN XII - hypoglossal

Question 22

What is the nerve innervation of hypoglossus?

Answer 22

CN XII - hypoglossal

Question 23

What is the nerve innervation of styloglossus?

Answer 23

CN XII - hypoglossal

Question 24

Name the four structures that can be found within the space between hypoglossus and mylohyoid?

Answer 24

Lingual nerve
Lingual artery
Lingual vein
Submandibular duct

Question 25

Name the four intrinsic muscles of the tongue?

Answer 25

Superior longitudinal Inferior longitudinal Transverse Vertical

Question 26

Where does the submandibular duct empty?

Answer 26

On either side of the frenulum

Question 27

Name the three types of papillae?

Answer 27

Fungiform papillae Filiform papillae Circumvallet papillae

Question 28

What nerve supplies the anterior 2/3's of the tongue with taste?

Answer 28

Chorda tympani - CN VII

Question 29

What nerve supplies general sensation to the anterior 2/3's of the tongue?

Answer 29

Lingual nerve - posterior branch of V3

Question 30

Which nerve supplies the posterior 1/3 of the tongue with taste and general sensation?

Answer 30

CN IX - glossopharyngeal

Question 31

Name the two branches of the lingual artery which supply the tongue?

Answer 31

Dorsal branch | Deep sublingual branch

Question 32

Where does CN IX - glossopharyngeal exit the cranium?

Answer 32

Jugular foreman

Question 33

Where does CN XII - hypoglossal exit the cranium?

Answer 33

Hypoglossal canal

Question 34

Which muscle does the submandibular duct wrap around and which nerve does the submandibular duct cross superiorly?

Answer 34

Mylohyoid | Lingual nerve

Question 35

Parasympathetic pre-ganglionic fibres to the submandibular ganglion travel with which cranial nerve?

Answer 35

Chorda tympani - CN VII

Question 36

Parasympathetic post-ganglionic fibres from the submandibular ganglion travel with which cranial nerve?

Answer 36

Lingual - Posterior branch of V3

Question 37

Which muscles lie superior and inferior to mylohyoid?

Answer 37

``` Superior = Geniohyoid Inferior = Anterior belly of digastric ```

Question 38

Which two nerves lie superficial to hypoglossus?

Answer 38

Lingual - posterior division of V3 | Hypoglossal - CN (XII)

Question 39

Which nerve wraps around the submandibular duct?

Answer 39

Lingual nerve - posterior division of V3