9.3 CVS 2

Question 1

What are the branches of the aortic arch?

Answer 1

Brachiocephalic trunk ‘arm, head’
-RL common carotid artery
blood to head and neck

-RL subcalvian artery
blood to upper limb

Question 2

What are the branches of the descending aorta?

Structures under:
Parietal branches
Visceral branches

Answer 2

Parietal branches
• Intercostal
• Pericardial
• Phrenic

Visceral branches
• Bronchial
• Esophageal

Branches of Descending Aorta
Supplies blood to everything in the thorax + walls
except for the heart
heart gets its blood supply from the coronary arteries

Question 3

Great veins

Function of the internal jugular veins

Answer 3

return of venous blood from head & neck

Question 4

What do the coronary veins do?

Answer 4

Accompany corresponding
coronary arteries
• Drain into the right atrium
at coronary sinus

Question 5

Characteristics of the azygos vein

Answer 5

associated with vertebrae column at the back of the thorax
slightly on the right
descending returns to SVC
Arch over the root of right lung

quite posterior
arches forward towards front of thorax

Variable patterns
• Receive blood return from
Thoracic walls and Pericardium Lungs, trachea, bronchi and Esophagus