Salivary Glands, Tongue, Palate and Pharynx Anatomy

Question 1

What are the borders of the oral cavity?

Answer 1

Anterior - teeth

Posterior - oropharynx

Superior - hard/soft palate

Inferior - tongue/floor of mouth

Question 2

What muscles are found in the floor of the mouth?

Answer 2

Mylohyoid

Geniohyoid

Anterior belly of digastric

Question 3

What drug can be administered through the thin mucosa at the base of the mouth?

Answer 3

GTN spray

Question 4

What are the three major pairs of salivary glands?

Answer 4

Parotid

Submandibular

Sublingual

Question 5

Identify the salivary glands and their ducts

Answer 5

Question 6

The chorda tympani supplies which salivary glands?

Answer 6

Sublingual

Submandibular

Question 7

CN IX supplies the parotid gland. Which branch of CN V3 does it hitch a ride on to supply it?

Answer 7

Auriculotemporal

Question 8

The anterior 2/3rds of the tongue is supplied general sensory by CN V3/VII and special sensory by CN V3/VII

Answer 8

General sensory - CN V3

Special sensory - CN VII

Question 9

What nerve supplies general and special sensory supply to the posterior 1/3rd of the tongue?

Answer 9

CN IX

Question 10

What structure divides the anterior 2/3rds and posterior 1/3rd of the tongue?

Answer 10

Foramen caecum

Question 11

What are the four pairs of extrinsic tongue muscles?

Answer 11

Palatoglossus

Styloglossus

Hyoglossus

Genioglossus

Question 12

The extrinsic muscles change tongue position/modify tongue shape and the intrinsic muscles change tongue position/modify tongue shape

Answer 12

Extrinsic muscles - change tongue position

Intrinsic muslces - modifies tongue shape

Question 13

Which nerve supplies all of the tongue muscles?

Answer 13

CN XII

Question 14

How do you clinically test CN XII function?

Answer 14

Asking the patient to point out tongue straight

Question 15

What artery supplies the tongue and what is it a branch of?

Answer 15

Lingual artery - branch of external carotid

Question 16

Identify the surface anatomy of the tongue, palate and dorsum

Answer 16

Question 17

What bones are at the back of the hard palate and at the front?

Answer 17

Front - maxillae bones

Back - palatine bones

Question 18

What is the name for the hook at the back of the palatine bone?

Answer 18

Pterygoid hamulus

Question 19

Name and identify each of the muscles of the soft palate

Answer 19

Question 20

What do the levator veli palatini and tensor veli palatini do?

Answer 20

LVP lifts the soft palate while TVP tenses the soft palate

Question 21

What is the only muscle of the soft palate not supplied by CN X? What is it supplied by?

Answer 21

Tensor veli palatini - supplied by CN V3

Question 22

How do you test CN X and CN V3 innervation of the soft palate clinically?

Answer 22

Asking the patient to say aah and seeing if the uvula lifts straight up in the midline

Question 23

Identify the features on the posterior view of the pharynx

Answer 23

Question 24

Which nerve overlies the stylopharyngeus muscle?

Answer 24

CN IX

Question 25

Name and identify the longitudinal muscles of the pharynx

Answer 25

Question 26

What is the function of the longitudinal muscles of the pharynx?

Answer 26

Elevate the pharynx and larynx

Question 27

What nerve(s) innervate the longitudinal muscles of the pharynx?

Answer 27

CN IX - stylopharyngeus

CN X - palatopharyngeus and salpingopharyngeus

Question 28

Identify the structures of the pharynx

Answer 28

Question 29

Waldeyer’s ring consists of which tonsils?

Answer 29

Palatine

Lingual

Tubal

Pharyngeal

Question 30

Which lymph node drains the palatine tonsil?

Answer 30

Jugulo-digastric