Vaculature of the heart

Question 1

The two main arteries that supply the heart are the________

Answer 1

Left and right coronary arteries

Question 2

What is the first branch of the left coronary artery?

Answer 2

left anterior descending artery (aka anterior interventricular artery)

Question 3

What are two other branches of the left coronary artery?

Answer 3

left marginal artery, left circumflex artery

Question 4

What are the branches of the right coronary artery?

Answer 4

right marginal artery, posterior interventricular artery

Question 5

Blood travels from the subendocardium into the ________veins, which are small tributaries running throughout the myocardium.

Answer 5

thebesian

Question 6

The thebesian veins drain into larger veins, which drain into which sinus?

Answer 6

the coronary sinus

Question 7

Where is the coronary sinus located?

Answer 7

on the posterior surface in the coronary sulcus, which runs between the left atrium and left ventricle

Question 8

Where does the coronary sinus enter the heart?

Answer 8

In the right atrium, between the atrioventricular orifice and the inferior vena cava orifice

Question 9

What are the five tributaries that drain into the coronary sinus?

Answer 9

great cardiac vein, small cardiac vein, middle cardiac vein, left marginal vein, left posterior ventricular vein