Cardiac circulation

Question 1

The left and right _______ arteries branch from the base of the ________

Answer 1

coronary

aorta

Question 2

Where does the left coronary artery go?

Answer 2

down the left coronary sulcus

Question 3

Where is the coronary sulcus?

Answer 3

in between the ventricles and the atria

Question 4

What does the left coronary artery divide into?

Answer 4

left anterior interventricular artery

left circumflex artery

Question 5

One of the things that the left coronary artery divides into is the left anterior interventricular artery. Where does this travel and what does this supply?

Answer 5

travels down the interventricular sulcus supplying the anterior parts of the interventricular septum and the anterior surface of the left ventricle

Question 6

One of the things that the left coronary artery divides into is the left circumflex artery. Where does this travel and what does this supply?

Answer 6

travels along the coronary sinus around the left side of the heart supplying the left atrium and the posterior walls of the left ventricle

Question 7

Where does the right coronary sinus travel and what in particular does it supply?

Answer 7

goes along the right coronary sinus supplying the SA node

Question 8

The coronary arteries and branches lie in which layer of the heart wall?

Answer 8

the epicardium and they send branches inwards

Question 9

What are three veins involved in cardiac circulation?

Answer 9

great cardiac vein
small cardiac vein
coronary sinus

Question 10

Where does the great cardiac vein run?

Answer 10

in the interventricular sulcus

Question 11

Where does the small cardiac vein run?

Answer 11

along the inferior margin of the right side of the heart

Question 12

What do both cardiac veins drain into and what does this drain into?

Answer 12

both empty into the coronary sinus and then into the right atrium