Obstruction of the ________ will cause a more severe myocardial infarction (MI) than the obstruction of any of the others.
A) left marginal vein
B) left coronary artery (LCA)
C) posterior interventricular vein
D) anterior interventricular branch
E) circumflex branch

Question

Quizplus · Accepted Answer

The left coronary artery (LCA) supplies a large portion of the heart, including the left ventricle, which is crucial for systemic circulation. Obstruction here can lead to a more severe MI.

Obstruction of the ________ Will Cause a More Severe Myocardial