Question

Which major branch of the left coronary artery curves to the left within the coronary sulcus, giving rise to one or more diagonal branches as it curves toward the posterior surface of the heart?

Answer 1

Answer: The circumflex artery

Explanation: the circumflex artery curves to the left around the heart inside the coronary sulcus, there by forming one or more left marginal arteries. the marginal arteries are also called obtuse marinal artery.