This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Venous Disorders, Subject name: Surgery
[{'content': "All of the following are true about varicose veins except: \nSelect and explain. \nA. MC symptom: Dull aching pain in the veins at the end of the day, after prolonged standing, B. Duplex ultrasound: Investigation of choice for diagnosis of varicose veins, C. Bisgard's Regime is used for venous ulcer ., D. Trendelenberg operation is gold standard treatment for varicose vein", 'role': 'user'}, {'content': "Answer: D \nExplanation: MC symptom: Dull aching pain in the veins at the end of the day, after prolonged standing Duplex ultrasound: Investigation of choice for diagnosis of varicose veins Bisgaard's Regime is Limb elevation + Compression stockings + Massage for varicose ulcers Endothermal Ablation(EVLA and RFA) is gold standard treatment for varicose veins .", 'role': 'assistant'}]