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
All structures are posterior relations of except - 
Select and explain. 
A. Appendix, B. Greater omentum, C. Psoas major, D. Femoral nerve
B: Greater omentum
Answer: B: Greater omentum 
Explanation: Ans. is 'b' i.e., Greater omentumAnteriorCoils of small intestinePa of greater omentum (sometimes)Anterior abdominal wallPosteriorPsoas and iliacus musclesFemoral nerveLateral cutaneous nerve of thighAppendix (most common position)