Certified Cardiac Rehabilitation Professional (CCRP) Practice Test 2025 - Free CCRP Practice Questions and Study Guide

The correct answer encompasses all the major coronary arteries and their branches. The right coronary artery is a primary vessel that supplies blood to the right side of the heart. The right marginal branch, which branches from the right coronary artery, further nourishes portions of the heart muscle along the right side.

The left circumflex artery and the left anterior descending artery are also essential components of the coronary circulation. The left circumflex artery supplies blood to the lateral and posterior aspects of the left ventricle, and the left anterior descending artery supplies blood to the anterior wall of the heart. Together, these arteries ensure an adequate blood supply to the heart muscle, which is vital for proper cardiac function.

In summary, option D correctly includes the right coronary artery, its right marginal branch, the left circumflex artery, and the left anterior descending artery, all of which are classified as coronary arteries essential for the heart's blood supply.