CVS quiz week 3

What is the name given to the structure that prevents free conduction between the atria and ventricles?

Above which cusp of the of the aortic valve does the right coronary artery originate?

• Right posterior

• Left posterior

• Anterior

Which coronary artery supplies the interventricular septum?

• Right circumflex

• Left circumflex

• Left anterior descending

What structure is labelled 'B'?

Where does the coronary sinus drain into?