This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen, Pelvis and Perineum, Subject name: Anatomy
All of the following are the posterior relations of the kidney EXCEPT: 
Select and explain. 
A. Psoas major, B. Quadratus lumborum, C. Sympathetic chain, D. Ilioinguinal nerve
C: Sympathetic chain
Answer: C: Sympathetic chain 
Explanation: Nerves related to kidneys posteriorly are: Subcostal (T12), iliohypogastric (L1), and ilioinguinal (L1). Four muscles are in posterior relations of kidney: Diaphragm, quadratus lumborum, psoas major, and transversus abdominis. fig:- posterior relation of kidney