The cross-section through the heart shows an infarct in the left ventricle (pale discoloration on the left, extending from the anterior portion). Blockage of which of the following coronary arteries is most likely to be responsible for this distribution of infarcted tissue?
a. Left anterior descending artery (LAD) Posterior descending artery (PDA)
b. Left circumflex artery (LCX)
c. Right coronary artery (RCA) Obtuse marginal branch



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