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
[{'content': 'Altered sensation over the area of the great saphenous vein in the leg is seen due to an injury to which of the following nerves? \nSelect and explain. \nA. Femoral, B. Tibial, C. Sural, D. Fibular', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Great saphenous vein on its course is accompanied by saphenous nerve which is a branch of femoral nerve.', 'role': 'assistant'}]