APEX UNIT 1

Question 1

Intrinsic muscles of the larynx that elongates cords?

Answer 1

Cricothyroid (tenses)

Question 2

Intrinsic muscles of the larynx that shortens cords?

Answer 2

Thyroarytenoids

Question 3

Abducts cords

Answer 3

Posterior cricoarytenoids

Question 4

Adducts cords

Answer 4

Lateral cricoarytenoids

Question 5

Intrinsic muscles vs extrinsic muscle role

Answer 5

intrinsic support phonation and movement
Extrinsic supports larynx inside neck

Question 6

True vocal cords attach anteriorly to the ______and posteriorly to the_____

Answer 6

Thyroid cartilage
arytenoid cartilage

Question 7

Muscles that Depress the larynx

Answer 7

Omohyoid
Sternohyoid
Sternothyroid

Question 8

Muscle that elevates the larynx

Answer 8

Stylohyoid
Geniohyoid
Mylohyoid
Stylohyoid
Digastric
stylopharyngeus

Question 9

Key players of the laryngospasm

Answer 9

Cricothyroid

Question 10

Only intrinsic receiving motor innervation from the external branch of superior Laryngeal nerve is the

Answer 10

Cricothyroid

Question 11

The Left RLN course

Answer 11

Underneath the aortic arch before it ascends the trachea towards the larynx.

Question 12

Causes of Left RLN injury

Answer 12

PDA ligation
Left atrial enlargement 2nd to mitral stenosis

Question 13

Innervates undersides of epiglottis

Answer 13

SLN

Question 14

4 nerves associated with airway

Answer 14

SLN (ext. and internal)
RLN
Glossopharyngeal
Trigeminal

Question 15

SLN external vs internal

Answer 15

SLN external motor
SLN internal sensory