This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
[{'content': 'First treatment of rupture of varicose veins at the ankle should be \nSelect and explain. \nA. Rest in prone position of patient, B. Application of tourniquet proximally, C. Application of tourniquet distally, D. Direct pressure and elevation', 'role': 'user'}, {'content': "Answer: D \nExplanation: Varicose veins around the ankle foot and lower leg especially in the elderly are highly vulnerable to hemorrhage which may occur with minor trauma or spontaneously when patient is up and about. The ensuing hemorrhage may be copious but is easily stopped by finger pressure or when patient lies down with foot elevated and a firm pad and bandage is applied'. Treatment must be completed by elimination of affected varicosity which may be achieved by compression sclerotherapy.", 'role': 'assistant'}]