Blood Drawing Techniques Quiz

What should be done if a piece of medical equipment is overdue for calibration?

• Continue using it until it breaks

• Notify the office manager or lab supervisor

• Use it only for non-critical tests

• Discard it immediately

What should the patient do after the gauze pad is placed over the puncture site?

• Apply pressure

• Remove the gauze

• Wash the area

• Apply ice

What should be done with the used lancet after performing a puncture?

• Reuse it

• Discard it in a sharps container

• Clean it for later use

• Dispose of it in regular trash

How long should serum be allowed to stand upright at room temperature before centrifugation?

• 10 to 15 minutes

• 20 to 25 minutes

• 30 to 45 minutes

• 50 to 60 minutes

What happens when blood specimens to stand for longer than 1 hour?

• Increased volume

• This will cause leaching of substance changes and changes to the integrity of the serum.

• Enhanced color

• Reduced temperature

What should be done if blood flow has slowed or stopped after a puncture?

• Apply a bandage

• Use a tourniquet

• Elevate the arm

• Apply ice

What should be done if the veins in the antecubital space are inaccessible?

• Use the neck veins

• Use the back of the hand, wrist, or foot

• Use the chest veins

• Use the abdominal veins

What is a potential issue with drawing blood from the back of the hand?

• Increased risk of infection

• Many nerves leading to discomfort

• Veins are too deep

• Veins are too small

What should be done if only a small amount of blood is needed?

• Use the evacuated needle system

• Use the butterfly method

• Use the needle syringe system

• Use the fingerstick method

What is obtained when blood is drawn in a tube that does not contain an anticoagulant?

• Serum

• Whole blood

• Plasma

• Clotted blood