Lecture 13

Question 1

What are intrinsic laryngeal muscles?

Answer 1

Both attachments are in the larynx

Question 2

What are extrinsic laryngeal muscles?

Answer 2

1 attachment on the larynx, one outside of the larynx

Question 3

What are the five intrinsic laryngeal muscles?

Answer 3

1) cricoidthyroid
2) thyroarytenoid
3) lateral cricoarytenoid
4) inter arytenoid
5) posterior cricoarytenoid

Question 4

What are the two types of extrinsic laryngeal muscles?

Answer 4

1) suprahyoid

2) infrahyoid

Question 5

What are the 6 suprahyoid extrinsic laryngeal muscles?

Answer 5

1) digastric
2) stylohyoid
3) mylohyoid
4) geniohyoid
5) hypoglossal
6) thyrohyoid

Question 6

What are the 4 infrahyoid muscles?

Answer 6

1) sternothyroid
2) sternohyoid
3) omohyoid
4) thyrohyoid

Question 7

The intrinsic laryngeal muscles control the _______ ______ of ________ ________

Answer 7

Relative positions; laryngeal cartilages

Question 8

The Interarytenoids are treated as ______ muscles because there are ____ aryetnoids

Answer 8

Unpaired; two

Question 9

What are the two parts of the interarytenoid?

Answer 9

Transverse and oblique

Question 10

In the IA, the _______ portion pulls the bases of the arytenoids toward each other, and the ______ portion pulls the tips of the arytenoids together

Answer 10

Transverse; oblique

Question 11

The transverse portion of the IA is _____ to the oblique portion

Answer 11

Deep

Question 12

The function of the IA is that is causes the ___________ to come together

Answer 12

Arytenoid

Question 13

The LCA are _____ muscles

Answer 13

Paired

Question 14

The function of the LCA is upon contraction the ________ processes of the _______ are pulled ________ or _______

Answer 14

Muscular; arytenoids; anteriorly; medialy

Question 15

The Cricothyroid is the main muscles for _____ control

Answer 15

Pitch

Question 16

How does the CT raise pitch?

Answer 16

Rocking the cricoid upward or thyroid downward, resulting in stretched and elongated VFs

Question 17

What are the two parts of the CT msucles and which is vertical and which is oblique?

Answer 17

1) pars recta - vertical

2) pars oblique - oblique

Question 18

The posterior cricoarytenoid is the only intrinsic _______

Answer 18

Abductor

Question 19

The function of the PCA is upon contraction the ________ processes pulled _______, which opens the _____ _____

Answer 19

Muscular; posteriorly; vocal folds

Question 20

What are the two parts of the Thyroarytenoid?

Answer 20

1) vocalis

2) thyromuscularis

Question 21

TA Vocalis:
______ portion
Origin: ______
Insertion: _____ ________

Answer 21

Medial
Thyroid
Vocal processes

Question 22

TA thyromuscularis
_______ portion
Origin: _______
Insertion: ________ _______

Answer 22

Lateral
Thyroid
Muscular processes

Question 23

The TA vocalis is the main _____ of the vocal folds and upon contraction it _____ the VFs and may _____ _____

Answer 23

Mass; tenses; raise pitch

Question 24

The TA thyromuscularis probably pulls _________ toward the ______ ____ (________) to ________ the VFs

Answer 24

Arytenoids; thyroid angle; anteriorly; shorten

Question 25

What are the four intrinsic adductors?

Answer 25

1) interarytenoid
2) Lateral cricoarytenoid
3) cricothyroid
4) thyroarytenoid

Question 26

The extrinsic laryngeal muscles determine the ________ laryngeal ________ in the body

Answer 26

Overall; position

Question 27

The extrinsic laryngeal muscles are probably more important for __________ purposes such as __________

Answer 27

Vegatative; swallowing

Question 28

Suprahyoid muscles are one that have ________ attachment above the level of the _______

Answer 28

Extrinsic; hyoid

Question 29

The major laryngeal ________ are important for swallowing

Answer 29

Elevators

Question 30

The _______ forms the floor of the mouth

Answer 30

Mylohyoid

Question 31

Genio means ____

Answer 31

Chin

Question 32

Which 3 muscles pull the hyoid forward?

Answer 32

1) anterior belly of digastric
2) mylohyoid
3) geniohyoid

Question 33

Which 2 muscles pull the hyoid backward?

Answer 33

1) posterior belly of digastric

2) stylohyoid

Question 34

What are the 3 major laryngeal depressors?

Answer 34

1) sternothyroid
2) sternohyoid
3) omohyoid

Question 35

omos = _______

Answer 35

Shoulder