This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia and abdominal wall, Subject name: Surgery
During surgery of hernia, the sac of a strangulated inguinal hernia should be opened at the: 
Select and explain. 
A. Neck, B. Fundus, C. Body, D. Deep ring
B: Fundus
Answer: B: Fundus 
Explanation: An incision is made over the most prominent pa of the swelling Each layer covering the anterior surface of the body of the sac "near fundus" is incised and, if possible, stripped off sac. The sac is then incised and any fluid, which may be highly infective, drained effectively.