Coronary circulation

Question 1

left coronary artery

Answer 1

superficial to the left atrium, branches from the ascending aorta and passes posterior to the pulmonary trunk; supplies the anterior interventricular artery and the circumflex artery

Question 2

right coronary artery

Answer 2

branches from the ascending aorta aboce the aortic valce and encircles the heart in the coronary sulcus; supply the right marginal artery and the posterior interventricular vein

Question 3

circumflex artery

Answer 3

branches off the LCA; located in the coronary sulcus; suppleis the left atrium and the posterior portion of the left ventricle

Question 4

anterior interventricular artery

Answer 4

branches off the LCA and is on the anterior interventricular sulcus; supplies the anterior portion of the interventricular septum and the anterior walls of both ventricles

Question 5

posterior interventricular artery

Answer 5

branches off the RCA and is located in the posterior interventricular sulcus; supplies the posterior walls of the ventricles and the posterior portion of the interventricular septum; merges with the anterior interventricular artery

Question 6

right marginal artery

Answer 6

branches off the RCA and is located in the lateral portion of the right ventricle; supplies the lateral right side of the heart

Question 7

great cardiac vein

Answer 7

located in the anterior interventricular sulcus; drains the anterior portion fo the right and left ventricle

Question 8

middle cardiac vein

Answer 8

located in the posterior interventricular sulcus; drains the posterior portion of the right and left ventricles

Question 9

small cardiac vein

Answer 9

located on the lateral right ventricle, parallel to the right marginal artery; drains the lateral right ventricle

Question 10

coronary sinus

Answer 10

located in the coronary sulcus on the posterior surface of the heart, drains into the right atrium; drains the entire heart; the great, middle, and small cardiac veins all drain into the coronary sinus