This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
Surgical blade number useful for aeriotomy is 
Select and explain. 
A. 10, B. 11, C. 15, D. 22
B: 11
Answer: B: 11 
Explanation: Surgical blade for aeriotomy is 11 Minor surgical procedures- 15 Abdominal incisions- 22 Reference: Bailey and love, 27th edition, page:85