NSB 9. Anterior Triangle of the Neck

Question 1

What are the borders of the anterior triangle?

Answer 1

[1] Anterior - midline of neck

[2] Posterior - anterior part of SCM

[3] Superior - inferior margin of mandible

Question 2

What vertebral level is the superior thyroid notch at?

Answer 2

C4

Question 3

What level is the Cricoid Cartilage located at?

Answer 3

C6

Question 4

What level is the hyoid bone located at?

Answer 4

C2

Question 5

What is the stylohyoid ligament?

Answer 5

it runs from the tip of the styloid process of the temporal bone to the lesser horn of the hyoid bone

Question 6

What are the 2 categories of muscles in the anterior triangle of the neck?

Answer 6

[1] Suprahyoid Muscles

[2] Infrahyoid Muscles

Question 7

What are the suprahyoid muscles? [4]

Answer 7

[1] Digastric (anterior + posterior belly)
[2] Stylohyoid
[3] Stylothyroid
[4] Geniohyoid

Question 8

What are the infrahyoid muscles? [4]

Answer 8

[1] Omohyoid
[2] Sternohyoid
[3] Sternothyroid
[4] Thyrohyoid

Question 9

What are the contents of the carotid sheath? [4]

Answer 9

[1] Common Carotid Artery
[2] Vagus Nerve
[3] Internal Jugular Vein
[4] Deep Cervical Nodes

Question 10

What are the branches + sub-branches of the common carotid artery?

Answer 10

[1] Internal Carotid Artery

[2] External Carotid Artery

(a) Superior Thyroid
(b) Ascending Pharyngeal
(c) Lingual
(d) Facial
(e) Posterior Auricular
(f) Occipital
(g) Superficial Temporal
(h) Maxillary

Question 11

What are the branches of the vagus nerve?

Answer 11

[1] Superior Laryngeal Nerve

[2] Recurrent Laryngeal

Question 12

What is the blood supply of the thyroid artery?

Answer 12

[1] Superior Thyroid Artery
- branch of the external carotid artery

[2] Inferior Thyroid Artery
- branch of the thyrocervical trunk off of the subclavian artery

Question 13

What is the venous drainage of the thyroid gland?

Answer 13

[1] Superior Thyroid Vein
[2] Middle Thyroid Vein
[3] Inferior Thyroid Vein

Question 14

Where does the superior and middle thyroid veins drain into?

Answer 14

drain into the internal jugular vein

Question 15

Where does the inferior thyroid vein drain into?

Answer 15

braciocephalic vein

Question 16

What are the cervical ganglia?

Answer 16

[1] Superior
[2] Middle
[3] Inferior

Question 17

What is the Stellate ganglion?

Answer 17

if the inferior cervical ganglion is merged with the T1 ganglion

Question 18

Where are emergency airways done?

Answer 18

in the cricothyroid membrane

Question 19

List the lymph nodes of the neck and head.

Answer 19

[1] Submental Nodes
[2] Submandibular Nodes
[3] Preauricular/Parotid Nodes
[4] Deep Cervical Nodes
[5] Superficial Cervical Nodes
[6] Jugulodigastric Nodes
[7] Mastoid Nodes
[8] Occipital Nodes