Which blood vessels are direct branches of the left coronary artery?
A) circumflex and marginal arteries
B) anterior and posterior interventricular arteries
C) anterior interventricular and marginal arteries
D) anterior interventricular and circumflex arteries
E) posterior interventricular and marginal arteries

Question

Quizplus · Accepted Answer

The left coronary artery directly branches into the anterior interventricular artery (also known as the left anterior descending artery) and the circumflex artery. Therefore, the correct answer is D, which includes both of these arteries. The marginal arteries and posterior interventricular arteries are branches of the right coronary artery.

Which Blood Vessels Are Direct Branches of the Left Coronary