Oral Cavity And The Pharynx

Question 1

Which arch in the mouth is more anterior?

Answer 1

Palatoglossal

Question 2

Which extrinsic muscle of the tongue extends and protrudes the tongue?

Answer 2

Genioglossus

Question 3

What is the name for the duct of the submandibular gland?

Answer 3

Wharton’s

Question 4

Name 3 things which run through the parotid gland.

Answer 4

Facial nerve terminal branches
ECA - post auricular branch
Retromandibular vein

Question 5

Why might you get pain referred to the external ear with parotitis?

Answer 5

Pain referred via greater auricular nerve which givers sensory to the capsule of the parotid gland.

Question 6

2 causes of sialolithiasis?

Answer 6

Dehydration

Reduced salivary flow

Question 7

How can you distinguish between a quinsy and tonsillitis?

Answer 7

Uvela deviation

Question 8

What are the boundaries of the pharynx?

Answer 8

Base of skull to inferior border of cricoid cartilage

Question 9

What does the orophraynx contain?

Answer 9

Lingual and palatine tonsils
Posterior 1/3 of tongue
Superior constrictor muscle

Question 10

What vertebrae are posterior to the laryngopharynx?

Answer 10

C4C5C6

Question 11

Where do all the longitudinal muscles insert?

Answer 11

Posterior border of thyroid cartilage.

Question 12

What is the posterior attachment of the pharyngeal constrictors?

Answer 12

Pharyngeal raphe

Question 13

What is the anterior attachment for the superior constrictor muscle?

Answer 13

Pterygomandibular raphe

Question 14

Where is the pharyngeal plexus mainly located?

What does nerve fibres does it consist of?

Answer 14

Vagus
Glossopharyngeal
Cervical sympathetic fibres (superior cervical ganglion)

Question 15

What muscles elevate the soft palate at what are their innervations?

Which one of these opens the dust ACh Ian tube?

Answer 15

Tensor palatini V3
Levator palatin CN X

Tensor veli palatini

Question 16

What are the innervations to the suprahyoid muscles?

Answer 16

Mylohyoid - V3
Geniohyoid - XII
Digastric - anterior - V and posterior VII
Stylohyoid - VII

Question 17

What are some symptoms associated with dysphagia if it is associated with a neurological condition?

Answer 17

Coughing and choking 
Sialorrhoea 
Recurrent pneumonia 
Change in voice and speech (wet voice) 
Nasal regurgitation (lack of coordination of the soft palate to elevate)

Question 18

What are some causes of CN IX and X palsies?

Answer 18

Medullary infarct

Jugular foramen fracture

Question 19

What are 3 signs of CN XII lesion?

Answer 19

Wasted tongue - atrophying
Points to side of lesion (LMN)
Fasciculations