The Great Vessels of the neck and Azygos Venous System

Question 1

What are the 3 vessels that branch off the arch of the aorta?

Answer 1

Brachiocephalic trunk (right subclavian artery, right common carotid artery)
Left common carotid artery
Left subclavian artery

Question 2

The superior vena cava branches into what?

Answer 2

Right and left brachiocephalic

Question 3

The pulmonary trunk branches into what?

Answer 3

Right and left pulmonary arteries

Question 4

The brachiocephalic trunk divides into what?

Answer 4

Right subclavian artery

Right common carotid artery

Question 5

The left and right common carotid arteries bifurcate at C4 into what?

Answer 5

Left and right external and internal carotid arteries

Question 6

Where do the left and right internal carotid arteries travel to?

Answer 6

Travel through the neck, no branching

Enters cranial cavity through carotid canal, contribute to blood supply of brain

Question 7

What is the carotid sinus?

Answer 7

DIlated at proximal end of right and left carotid arteries

Baroreceptors there for regulation of blood pressure

Question 8

There are 8 arteries that come off the external carotid arteries. What structures do they supply?

Answer 8

Face and scalp

Question 9

Name the 8 arteries that branch off the external carotid arteries

Answer 9

Superior thyroid arteries.
Ascending pharyngeal arteries.
Lingual arteries.
Facial arteries.
Occipital arteries.
Posterior auricular arteries.
Maxillary arteries.
Superficial temporal arteries

Question 10

Left and right subclavian arteries give off branches in the root of the neck. What are these branches?

Answer 10

Left and right vertebral arteries

Left and right thyrocervical trunks

Question 11

The left and right vertebral arteries travel where?

Answer 11

Through neck, no branching.
Enter cranial cavity through foramen magnum
Form part of circle of willis

Question 12

Which vein drains most of face and scalp?

Answer 12

External jugular vein

Question 13

External jugular vein drains into which vein?

Answer 13

Subclavian vein

Question 14

Where does the external jugular vein travel?

Answer 14

Down each side of the neck

Question 15

The internal jugular vein drains blood from where?

Answer 15

The brain, anterior face, cervical viscera and deep muscles of the neck

Question 16

The internal jugular vein travels where?

Answer 16

Descends either side of neck

Question 17

What is the venous angle?

Answer 17

Where the subclavian vein and IJV unite

Question 18

What does raised jugular venous pressure indicate?

Answer 18

Raised right-side heart pressure and venous hypertension

Question 19

What is the carotid sheath?

Answer 19

Tubular facial wrapping of neurovascular bundle that extends from base of cranium to root of neck

Question 20

The brachiocephalic vein drains what?

Answer 20

Blood from head, neck, upper limb to right atrium through superior vena cava

Question 21

What is the azygos venous system?

Answer 21

It consist of a system of veins on each side of the vertebral column

Question 22

The azygos venous system is made up of what veins?

Answer 22

Azygos veins
Hemi-azygos vein
Accessory hemi-azygos vein

Question 23

What does the azygos venous system drain?

Answer 23

Back
Thoracoabdominal walls
Mediastinal viscera