<prompt> All of the following are the posterior relations of kidney except:Psoas MajorQuadratus LumborumSympathetic chainIlioinguinal Nerve  <response>: Ans. C. Sympathetic chainThe posterior relations of two kidneys are:a. Four muscles: Diaphragm, quadratus lumborum, psoas major, and transversus abdominis.b. Three nerves: Subcostal T12 , iliohypogastric L1 , and ilioinguinal L1 . The subcostal nerve is accompanied by the subcostal vessels.c. One or two ribs: The right kidney is related to the 12th rib whereas the left kidney is related to the 11th and 12th ribs. 