Phlébotomie

Which antecubital vein is considered the best vein for venipuncture?

• Medial cubital

• Basilic

• Cephalic

• Brachial

The size of the evacuated tube you choose for the venipuncture depends on...

• Size of the patient's veins

• Patient's diagnosis

• Amount of specimen required for the test

• Color of the tube stopper

A lavender top tube contains...

• Nothing

• EDTA

• Potassium oxalate

• Sodium citrate

A red top tube contains...

• Nothing

• EDTA

• Potassium oxalate

• Sodium citrate

What color tube is used to draw a CBC?

• Red

• Green

• Lavender

• Light blue

What color tube is used to draw a Prothrombin Time

• Red

• Green

• Lavender

• Light blue

Which of the following represents the correct order of draw?

• Red, green, lavender, gray

• Red , lavender, green gray

• Lavender, red, gray, green

• Red, gray, green, lavender

Which of the following may result in the hemolysis of blood?

• Using a needle with too small a lumen

• Removing the needle before the tourniquet

• Storing the tube at room temperature

• Allowing the tube to fill to the exhaustion of the vacuum

How is serum obtained?

• From whole blood that has been centrifuged

• By using a tube containing an anticoagulant

• From whole blood that was left standing

• From clotted blood that has been centrifuged

After drawing blood into an SST, what is the next step?

• Centrifuge the tube

• Have the tube stand upright for 30-45 minutes

• Place the tube in the refrigerator

• Put the serum into the transfer tube