This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Varicose Veins, Subject name: Surgery
Most commonly varicose veins are seen with : 
Select and explain. 
A. Long saphenous vein, B. Short saphenous vein, C. Both, D. popliteal and femoral vein
A: Long saphenous vein
Answer: A: Long saphenous vein 
Explanation: Ans. is 'a' ie. long saphenous vein (Schwart, 7/e, p 1021) (not mentioned in 8/e)" The usual distribution of veins is below the knee in branches of the greater saphenous system*