Multiple choice Which vessel(s) is/are used for coronary artery bypass surgery? Saphenous vein Internal mammary artery Femoral artery Both 1 and 2 Reveal answer Fill a bubble to check yourself D Correct answer Explanation Both the saphenous vein (from the leg) and the internal mammary artery (from the chest wall) are commonly harvested and used as grafts in coronary artery bypass surgery.