<prompt> Which is true regarding Trendelenburg operation ?Sripping of the superficial varicose veinFlush ligation of the superficial varicose veinLigation of the perforatorsLigation of small tributaries at the distal end of superficial varicose vein  <response>: Answer is b i.e. Flush ligation of the superficial varicose vein Sapheno-femoral Ligation - is called Trendelenburgs procedure. 