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: Surgery
[{'content': 'During the surgical repair of femoral hernia.the structure most vulnerable to major injury lies \nSelect and explain. \nA. Anterioly, B. Posteriorly, C. Medially, D. Laterally', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The fermol vein lies lateral of the femoral conal.', 'role': 'assistant'}]