Phlebotomy Order of Draw QuizOnline version Test your knowledge on the order of draw in phlebotomy! by Savetria Bonaparte 1 What is the first tube color in the order of draw? a Purple b Blood culture bottles c Red d Green 2 Which tube color is used for coagulation tests? a Gold b Red c Gray d Light blue 3 What additive is found in the green tube? a EDTA b Sodium citrate c Heparin d Silica 4 Which tube is used for serum tests? a Gray b Gold c Light blue d Purple 5 What is the purpose of the gray tube? a Coagulation b Hematology c Glucose testing d Serology 6 What is the additive in the purple tube? a EDTA b Lithium c Sodium citrate d Heparin 7 Which tube is drawn last in the order of draw? a Gold b Gray c Light blue d Red 8 What is the second tube color in the order of draw? a Light blue b Gold c Green d Red 9 Which tube is primarily used for blood bank tests? a Light blue b Red c Pink d Gray 10 What is the main purpose of the red tube? a Glucose testing b Coagulation tests c Serum tests without additives d Hematology tests