Finals

Question 0

Nasal arterial supply

Answer 0

Ophthalmic artery- ethmoid branch

Maxillary artery-sphenopalatine and palatine branches

Facial artery- superior labial and lateral nasal branches

Question 1

Location of larynx

Answer 1

C4-C6 anterior to pharynx

Question 2

Sensory inner cation of anterior 2/3 of tongue

Answer 2

Lingual nerve

Question 3

Sensory inner cation of posterior 1/3 of tongue

Answer 3

Glossopharyngeal nerve

Question 4

Motor inner cation of tongue

Answer 4

Hypoglossal nerve

Question 5

Innervation of neck and larynx

Answer 5

Vagus nerve

Question 6

Damage to this nerve results in acute airway obstruction

Answer 6

RLN

Question 7

This nerve likes to keep the larynx contracted

Answer 7

SLN

Question 8

List the intrinsic muscles of the larynx

Answer 8

Posterior cricoarytenoid
Lateral cricoarytenoid 
Transverse arytenoid
Oblique arytenoid 
Aryepiglottic 
Vocalis
Thyroarytenoid
Cricothyroid

Question 9

All intrinsic muscles of the larynx are innervated by the RLN except…

Answer 9

Cricothyroid- innervated by external branch of SLN

Question 10

Relaxer of the cords

Answer 10

Vocalis

Question 11

Tensor of the cords

Answer 11

Cricothyroid

Question 12

Relaxes tension cords

Answer 12

Thyroarytenoid

Question 13

Abductor of the vocal cords

Answer 13

Posterior cricoarytenoid

Question 14

How do you calculate PAO2?

Answer 14

Multiply FIO2 by 6