A client with coronary artery disease is being prepared for a coronary arterial bypass graft surgery.The nurse knows that the coronary artery that carries the most blood and can cause the most harm when blocked is the:
A) Left coronary artery
B) Posterior interventricular artery
C) Circumflex artery
D) Anterior interventricular artery

Question

Quizplus · Accepted Answer

The left coronary artery,the most abundant blood supply,feeds the left ventricular myocardium,which is more muscular and does most of the heart's work.The posterior and anterior interventricular arteries supply blood to the walls of both ventricles.The circumflex artery supplies blood to the walls of the left atrium and left ventricle.

A Client with Coronary Artery Disease Is Being Prepared for a Coronary