This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Occlusion of the LAD will lead to infarction of which area - 
Select and explain. 
A. Posterior part of the interventricular septum, B. Anterior wall of the left ventricle, C. Lateral part of the heart, D. Inferior surface of right ventricle
B: Anterior wall of the left ventricle
Answer: B: Anterior wall of the left ventricle 
Explanation: Occlusion of proximal LAD can result in large anterior wall infarction. If it is distal LAD, then anteroapical or anteroseptal infarction can occur.