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 a patient with myocardial infarction the valvular lesion commonly seen is 
Select and explain. 
A. Aortic stenosis, B. Mitral regurgitation, C. Aortic regurgitation, D. Septal defect
B: Mitral regurgitation
Answer: B: Mitral regurgitation 
Explanation: None