This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Liver, Subject name: Surgery
Nerve most commonly injured in Mac Burneys incision - 
Select and explain. 
A. Subcostal, B. Iliohypogastric N., C. 11th thoracic, D. Ilioinguinal
B: Iliohypogastric N.
Answer: B: Iliohypogastric N. 
Explanation: Ans. is 'b' i.e.. Iliohypogastric N. o "Right inguinal hernia is more common following a grid iron (MC Burney's) incision for appendiccectomy and is due to injury to the iliohypogastric nerve" - Bailey & Love