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: Anatomy
[{'content': 'While exposing the kidney from behind, all of the following nerves are liable to injury except - \nSelect and explain. \nA. Lateral cutaneous nerve of thigh, B. Ilioinguinal nerve, C. Subcostal nerve, D. Iliohypogastric nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Posterior relation of Kidney\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Vessels- Subcostal vessels\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Nerves- subcostal, iliohypogastric, ilioinguinal\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Muscles- diaphragm, psoas major, quadratus lumborum, transversus abdominis.\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Ligaments- medial and lateral arcuate ligaments\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Others\no\xa0\xa0 Right kidney- 12th rib\no\xa0\xa0 Left kidney- 11th & 12th ribs', 'role': 'assistant'}]