This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
A patient Amit Kumar is suffering from atherosclerosis. Which of the following lowing is the most beneficial drug for prevention of stroke in this patient? 
Select and explain. 
A. Aspirin, B. Warfarin, C. Low dose subcutaneous herparin, D. Digoxin
A: Aspirin
Answer: A: Aspirin 
Explanation: Ref: KDT 6/e p610,611 Antiplatelet drugs are used for the prophylaxis of aerial thrombotic conditions like stroke and MI. Atrial fibrillation increase the risk of thromboembolism and can result in stroke.