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
[{'content': 'Nerve most commonly injured in Mac Burneys incision - \nSelect and explain. \nA. Subcostal, B. Iliohypogastric N., C. 11th thoracic, D. Ilioinguinal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]