Coronary Arteries

The right and left coronaryarteries arise from the aorta at the aortic sinuses, the pockets formed by the right and left cusps of the aortic valve, respectively.

III

Image not available. IIII

Cardiac Anatomy: Coronary arteries of the heart by HannahNewey on Sketchfab

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Left Coronary

Right Coronary

As a cardiologist, you are concerned about blockage of the artery to the AV node in a patient. This artery typically arises from which of the following?

RCA

Right marginal artery

Posterior interventricular artery

Anterior interventricular artery

Circumflex artery

The correct answer is A.

Explanation:

A. The AV node is also supplied by the RCA.

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