CVS 2

Question 1

1. Which coronary artery supplies the sinuatrial node?

Answer 1

Right coronary artery

Question 2

1. From which nerve plexus does the heart get its innervation from and where is this situated?

Answer 2

Cardiac plexus around the bifurcation of the trachea

Question 3

1. Which structures unite to form the superior vena cava?

Answer 3

Left and right brachiocephalic veins

Question 4

1. What is the sensory nerve supply to the pericardium?

Answer 4

Phrenic nerve

Question 5

1. Where does the thoracic duct drain into?

Answer 5

Left brachiocephalic vein

Question 6

1. Name 3 structures in the posterior mediastinum

Answer 6

Any three from: Descending thoracic aorta, azygous vein, oesophagus, vagus nerve, thoracic duct

Question 7

1. What happens to the abdominal aorta at vertebral level L4?

Answer 7

Bifurcates into common iliac arteries

Question 8

1. What connects the basilic and cephalic veins in the arm and why is this structure clinically important?

Answer 8

Median cubital vein – important for venipuncture

Question 9

1. Where can the tibialis posterior arterial pulse be felt?

Answer 9

Behind the medial malleolus in the ankle

Question 10

1. At the 6th intercostal space the internal thoracic artery divides into which terminal branches?

Answer 10

Musculophrenic and superior epgiastric arteries