Specimen Collection

Which of the following blood samples has consistency and uniform composition throughout the body?

• Arterial blood

• Venous blood

• Capillary blood

How long can the tourniquet be applied when performing phlebotomy?

• 1 minute

• 3 minutes

• 5 minutes

• 7 minutes

Which of the following tubes does not contain any additive or anticoagulant?

• Violet top

• Blue top

• Red top

• Black top

Which of the following veins is the most common and preferred site of blood collection?

• Median cubital vein

• Basilic vein

• Cephalic vein

Which of the following is not affected by hemolyzed samples?

• Potassium

• AST

• Magnesium

• Sodium