Carotid artery and CN in the neck

Question 1

What are the neurovascular bundles of the head and neck and where are they found?

Answer 1

Carotid sheath - anterior triangle

Subclavian - root of neck

Question 2

Where does the common carotid artery arise?

Answer 2

From the arch of the aorta.

From the brachiocephalic a. on the right and front he arch on the left

Question 3

What are the contents of the carotid sheath?

Answer 3

Common carotid and its branches (internal and external carotid - and their branches)
Internal jugular vein
X

Question 4

What are the contents of the subclavian neurovascular bundle?

Answer 4

Subclavian artery and vein.

Brachial plexus

Question 5

Where does the subclavian a. arise from?

Answer 5

From brachiocephalic a on the right and from the aortic arch on the left

Question 6

How does X leave the skull?

Answer 6

Jugular fo.

Question 7

Main branches of X in the neck?

Answer 7

Pharyngeal
Superior laryngeal
Recurrent laryngeal

Question 8

Function fo X?

Answer 8

Innervate the thorax

Question 9

How does spinal part of IX enter the skull?

Answer 9

Fo. magnum

Question 10

How does spinal part of IX leave skull?

Answer 10

Jugular fo.

Question 11

What is the route of the cranial part of IX?

Answer 11

Joins X

Question 12

How does XII leave the skull?

Answer 12

Hypoglossal canal

Question 13

How does XII interact with an artery?

Answer 13

It crosses the lingual artery

Question 14

What are the 3 parts of the subclavian artery?

Answer 14

Before, beneath and beyond scalenus anterior

Question 15

What branches arise from the 1st part of the subclavian artery?

Answer 15

Vertebral a., thyrocervical trunk (inferior thyroid), internal thoracic a.

Question 16

What is the route of the right recurrent laryngeal?

Answer 16

Wraps around the 1st part of subclavian artery

Question 17

What is the route of the left recurrent laryngeal?

Answer 17

Wraps around the aortic arch

Question 18

What muscle does the subclavian artery pass superficially?

Answer 18

Scalenus medius

Question 19

What bundle of nerve passes under scalenus anterior and over scalenus medius?

Answer 19

Brachial plexus

Question 20

What unites the 2 lobes of the thyroid gland?

Answer 20

The isthmus

Question 21

What provides the arterial blood supply to the thyroid gland? Of what are these branches?

Answer 21

Superior and inferior thyroid artery. Inferior = subclavian a (thyrocervical trunk).
Superior = external carotid a

Question 22

What nerve follows the path of inferior thyroid artery?

Answer 22

Recurrent laryngeal n.

Question 23

What nerve follows the path of superior thyroid artery?

Answer 23

External laryngeal n.

Question 24

What do the superior and middle thyroid veins drain into?

Answer 24

Internal jugular vein

Question 25

What does the inferior thyroid vein drain into?

Answer 25

Brachiocephalic vein

Question 26

What vein unit to form brachiocephalic vein?

Answer 26

Internal jugular and subclavian vein