This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vermiform Appendix, Subject name: Surgery
Nerve most commonly injured in Mac Burneys incision: 
Select and explain. 
A. Subcostal, B. Iliohypogastric nerve, C. 11th thoracic, D. Illoinguinal
B: Iliohypogastric nerve
Answer: B: Iliohypogastric nerve 
Explanation: Right inguinal hernia is more common following a grid iron (MC Burney's) incision for appendicectomy and is due to injury to the iliohypogastric nerve.