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: Medicine
In Myocardial infarction, the major pathology is 
Select and explain. 
A. Ischemia caused by dynamic obstruction of a coronary artery., B. Myocardial necrosis caused by acute occlusion of a coronary artery., C. Ischemia due to fixed atheromatous stenosis of one or more coronal artery., D. Altered conduction due to ischemia or infarction.
B: Myocardial necrosis caused by acute occlusion of a coronary artery.
Answer: B: Myocardial necrosis caused by acute occlusion of a coronary artery. 
Explanation: None