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
The most important drug in the treatment of Ischemic Heart Disease 
Select and explain. 
A. Statins, B. Aspirin, C. Beta blockers, D. Nitrates
B: Aspirin
Answer: B: Aspirin 
Explanation: Aspirin is the most important drug in the management of Ischemic heart disease