Surgery of Head and Neck

Question 1

Basic nasogastric procedure

Answer 1

The tube is passed into the conjunction of the ventral nasal meatus and common nasal meatus to advance into the nasopharynx

Question 2

What does the supraorbital n provide?

Answer 2

Sensation to upper eyelid and frontal region of skin

Sometimes blocked for eye exam

Question 3

Common nerves blocked for ophthalmic examination

Answer 3

Supraorbital (sensory)

Palpebral branch of auriculopalpebral (motor)

Question 4

Tarsorraphy

Answer 4

Suturing the eyelids together
Performed after enucleation
Need to block supraorbital n (upper eyelid) and zygomatic (lower eyelid)

Question 5

Trephination of sinuses for teeth repelling

Answer 5

Rostral maxillary- 3rd and 4th cheek teeth
Caudal maxillary- 5th and 6th cheek teeth
Frontal- 6th cheek tooth

Question 6

Dehorning

Answer 6

Requires blocking the cornual n. and ligating the dorsal and ventral branches of the cornual a.

Possible complication: infection of frontal sinus

Question 7

Structures coursing through gutteral pouch

Answer 7

Cranial n (facial, glossopharyngeal, vagus, accessory, hypoglossal)
Sympathetic trunk
Internal carotid
External carotid

Question 8

Gutteral pouch diseases

Answer 8

1. Empyema (purulent infection)
2. Mycosis (fungal infection)
3. Tympany (accumulation of air)

Question 9

Borders of Viborg’s Triangle

Answer 9

Caudal: Tendon of sternocephalicus
Ventral: Linguofacial v
Cranial: Ramus of mandible

Question 10

What is the only adductor muscle of vocal folds?

Answer 10

Cricoarytenoideus dorsalis

Question 11

Into how many meatuses does the major conchae divide the nasal cavity into?

Answer 11

4