Which of the following coronary arteries perfuses the AV node in 10% of the populatior Left Circumflex Right Coronary Artery Left Anterior Descending Right Marginal Branch

The correct answer is: Right Coronary Artery.<br /><br />The right coronary artery (RCA) is responsible for perfusing the AV node in approximately 10% of the population. The AV node, or atrioventricular node, is a critical component of the heart's electrical conduction system, located in the right atrium near the opening of the coronary sinus. The RCA supplies blood to this region, ensuring its proper function.