MT 2 Yokochi Images Neck and Larynx (Dustin)

Question 1

1, 2, 3

Answer 1

1 Submandibular gland

2 Hyoid bone

3 Thyroid cartilage

Question 2

4, 5, 6

Answer 2

4 Components of Carotid Sheath

5 Thyroid gland

6 Trachea

(carotid artery, internal jugular vein, and vagus nerve)

Question 3

13, 14, 15

(14 refers to the general region)

Answer 3

13 Epiglottis
14 Laryngopharynx
15 Arytenoid muscle

Question 4

16, 17, 18

Answer 4

16 Vocal fold

17 Cricoid cartilage (don’t mix it up with thyroid cartilage)

18 Trachea

Question 5

3, 4, 5

Answer 5

3 Thyrohyoid muscle
4 Sternothyroid muscle
5 Thyroid gland

Question 6

7, 8, 9

Answer 6

7 Anterior belly of digastric muscle

8 Mylohyoid muscle (and mylohyoid raphe)

9 Omohyoid muscle

Question 7

10, 11, 12, 14

Answer 7

10 Thyroid cartilage

11 Sternocleidomastoid muscle

12 Sternohyoid muscle

14 Subclavius muscle

Question 8

1, 2, 3

(2 is the general space)

Answer 8

1 Sternohyoid and thyrohyoid muscles

2 Larynx

3 Cricoid cartilage

Question 9

4, 5, 6

(4 is pointing to three structures that are within the same compartment)

Answer 9

4 Internal jugular vein, common carotid artery, and vagus nerve (in carotid sheath)

5 Esophagus

6 Body of cervical vertebra

Question 10

9, 10, 11

(these are less important for this midterm, but who knows what they’ll ask)

Answer 10

9 Scalenus posterior muscle

10 Deep muscles of the neck

11 Trapezius muscle

Question 11

2, 3, 4, 5

Answer 11

2 Lateral thyrohyoid ligament
3 Greater cornu of hyoid bone
4 Epiglottis
5 Thyroid cartilage

Question 12

6, 7, 8, 9, 10

Answer 12

6 Corniculate cartilage

7 Arytenoid cartilage

8 Crico-arytenoid joint

9 Cricothyroid joint

10 Cricoid cartilage

Question 13

1, 2, 4

Answer 13

1 Hyoglossus muscle

2 Hyoid bone

4 Thyrohyoid membrane

Question 14

12, 21, 22

Answer 14

12 Thyroid cartilage

21 Thyrohyoideus muscle

22 Cricothyroideus muscle

Question 15

10, 24, 25

Answer 15

10 Ary-epiglottic fold

24 Cuneiform tubercle

25 Corniculate tubercle

Question 16

7, 8

Answer 16

7 Transverse arytenoid muscle

8 Posterior crico-arytenoid muscle

Question 17

6, 16

What does 6 innervate? What are its 2 branches?

What does 16 branch off of?

Answer 17

6 Superior laryngeal nerve (a branch of CN X)

• Its external branch innervates Cricothyroid m.
• Its internal branch pierces the thyrohyoid membrane and innervates the larynx mucosa

16 Inferior laryngeal nerve (branch of recurrent laryngeal, CN X)

Question 18

Superior aspect of glottis2, 9, 10, 11, 12 (all the numbers)

Answer 18

2 Epiglottis

9 Vocal fold

10 Vestibular fold

11 Ary-epiglottic fold

12 Interarytenoid notch

(this is a potential exam drawing)

Question 19

2, 3, 4, 27

Answer 19

2 Epiglottis

3 Thyroid cartilage

4 Cricoid Cartilage

27 Superior cornu of thyroid cartilage

Question 20

9, 10, 24

Answer 20

9 Vocal fold

10 Vestibular fold

24 Ventricle of larynx

(note: they’re not labeled here, but make sure you can identify/draw the Quadrangular and Triangular Membranes)

Question 21

22, 25

(both are muscles, this is less important)

Answer 21

22 Transverse arytenoidmuscle

25 Vocalis muscle

Question 22

3, 4, 5, 29

Answer 22

3 Thyroid cartilage

4 Cricoid cartilage

5 Vocal ligament

29 Piriform recess

Question 23

31, 32, 33

Answer 23

31 Superior thyroid artery

32 Thyrocervical trunk

33 Internal thoracic artery

Question 24

12, 13, 30

Answer 24

12 Thyroid cartilage

13 Cricothyroid muscle

30 Thyroid gland

Question 25

11, 34 (Hint: follow their courses)

Answer 25

11 Vagus nerve (descends behind root of lung)

34 Phrenic nerve (descends in front of root of lung)

Question 26

35, 8

What is the course of 8?

Answer 26

35 Hypoglossal nerve

8 Internal branch of Superior Laryngeal nerve (goes on to pierce the Thyrohyoid membrane)

Question 27

1, 17

Answer 27

1 Scalenus anterior muscle

17 Left subclavian artery

(passes behind scalenus anterior, while the subclavian vein passes in front)