NHA CCMA Phlebotomy

Front

What is the proper way to mix a blood specimen with an additive in a tube?

Back

Invert the tube.

Front

What information should be verified when identifying a patient before blood collection?

Back

Full name, date of birth, unique identification number.

Front

What is the correct angle for venipuncture when using the evacuated tube system?

Back

15 to 30 degrees.

Front

What is the recommended order of draw for multiple tube collections?

Back

Yellow/ Yellow-black, Light blue, Red/ Red-gray, Green, Lavender, Gray.

Front

Which tube should be collected first in the order of draw when using a syringe to collect blood?

Back

Blood culture tube.

Front

What is the purpose of an anticoagulant in blood collection tubes?

Back

To prevent blood from clotting.

Front

What is the role of a tourniquet during venipuncture?

Back

To engorge the veins and make them more visible.

Front

What is the significance of the order of draw in phlebotomy?

Back

To prevent cross-contamination of additives between tubes.

Front

What is the function of a serum separator tube?

Back

To separate serum from blood cells after centrifugation.

Front

What is the difference between plasma and serum?

Back

Plasma is the liquid component of blood that contains clotting factors; serum is plasma without clotting factors.