Vein used to bypass the coronary aery: (A) Long saphenous vein, (B) Sho saphenous vein, (C) Soleal vein, (D) Tibial vein
Answer is A. Varicose veins are due to the touosity of the long saphenous vein and occur mostly due to prolonged standing.The long saphenous vein is used to bypass the coronary aery after inveing the vein.Ref: Chaurasia; Volume 2; 6th edition; Page no: 135