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
While exposing the kidney from behind,-all of the following nerves are liable to injury except: 
Select and explain. 
A. Lateral cutaneous nerve of thigh, B. Ilioinguinal nerve, C. Subcostal nerve, D. Iliohypogastric nerve
A: Lateral cutaneous nerve of thigh
Answer: A: Lateral cutaneous nerve of thigh 
Explanation: A. i.e. lateral cutaneous nerve of thigh- 2nd pa of duodenum (not 4",) is anteriorly related to right kidney- Three nerves - Subcostal, iliohypogastric & ilioinguinal come in posterior relation to kidney and thus are lible to injury while exposing the kidney from behind.