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: Surgery
After a midline laparotomy, you have been asked to suture the incision. What length of suture material will you choose? 
Select and explain. 
A. 2x incision length, B. 4x incision length, C. 6x incision length, D. 8x incision length
B: 4x incision length
Answer: B: 4x incision length 
Explanation: Ans: B. 4x incision length (Rel. Bailey 27/e p1041, 26/e p965, 25/e p234)According to Jenkins' rule, optimal ratio of suture length to wound length = 4:1.If less length used than ratio a suture bites are too far apa or too tight.Converse applies if more length than ratio used."