This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax And Mediastinum, Subject name: Surgery
The Hunterian ligature operation is performed for: 
Select and explain. 
A. Aneurysm, B. Varicose veins, C. AV fistulas, D. Acute aerial ischemia
A: Aneurysm
Answer: A: Aneurysm 
Explanation: HUNTERIAN LIGATION Hunterian ligation refers to one of the oldest successful interventions for aerial aneurysms ligation of the femoral aery to treat popliteal aneurysm by john Hunter in 1785.