Larynx and Laryngopharynx

Question 1

What comprises the Laryngeal skeleton?

Answer 1

Hyoid skeleton, thyroid and cricoid cartilage

Question 2

What are the particular aspects of the Arytenoid Cartilage?

Answer 2

Vocal and muscular proceses for abduction/adduction and sliding in and out

Question 3

What Muscles are within the laynx

Answer 3

- Cricoarytenoid
	○ Lateral
	○ Posterior
		§ Abduction
- Arytenoid
	○ Oblique and Transverse for sliding of the arytenoid
- Cricothyroid
	○ Lengthens the vocal cord
- Vocalis and Thyroarytenoid

Question 4

What attaches to the vocal process and the posterior thyroid cartilage?

Answer 4

The vocal ligaments

Question 5

Open or closed cartilage

Answer 5

Cricoid is closed while the thyroid is open

Question 6

What produces phonation

Answer 6

Movement of air through the vocal ligaments and changing openings

Question 7

Innervation of the Larynx

Answer 7

Above
Superior
Internal laryngeal for membranes and mucosa
External larengeal for cricothyroid muscles

Below
Recurrent laryngeal nerve for muscles of the larnyx

Question 8

Blood supply

Answer 8

Superior and Inferior Thyroid vessels

Question 9

Swallowing

Answer 9

Epiglottis over laryngeal inlet and the thyroid cartilage moves up as the food moves down into the eosophagus

Question 10

Innervation of Laryngopharynx

Answer 10

All CNX except stylopharyngeus which is CNIX