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
Most common nerve to get entrapped during open inguinal hernia surgery 
Select and explain. 
A. Ilioinguinal, B. Itiohypogastric, C. Genital branch of genitotemoral nerve, D. Femoral nerve
B: Itiohypogastric
Answer: B: Itiohypogastric 
Explanation: None