Phlebotomy Order of the Draw Explained

Why is understanding the order of draw important in phlebotomy?

• It is crucial for passing exams.

• It determines the speed of drawing blood.

• It affects the chemical composition of samples.

• It influences the color of the tubes used.

What should be drawn first if ordered?

• CBC tubes

• Coagulation tubes

• Blood culture bottles

• Chemistry panels

What tube color is used when blood culture bottles are not available?

• Dark green

• Lavender

• Light yellow

• Light blue

What additive is found in light blue tubes?

• EDTA

• Lithium heparin

• Sodium citrate

• No additive

Which tube color is associated with coagulation studies?

• Gray

• Pink

• Light blue

• Gold

What is the primary use of lavender tubes?

• Chemistry tests

• Hematology studies

• Coagulation tests

• Blood cultures

Which tube can be used interchangeably with lavender if it runs out?

• Gold

• Gray

• Light blue

• Pink

What is the purpose of using a waste tube when drawing with a butterfly needle?

• To test the needle's effectiveness

• To prevent contamination

• To ensure correct blood-to-additive ratio

• To save costs on tubes

What should be done if a test can be conducted using a red tube?

• Fill it completely

• Use it and then discard

• Discard it immediately

• Use it as a waste tube

What does the red tube typically contain?

• Lithium heparin

• EDTA

• Sodium citrate

• Nothing