CCMA Phlebotomy and Specimen Collection 2

Question 1

Which tube color is used when collecting a sample for a complete blood count (CBC)?

Accepted Answer

Lavender/purple top (EDTA)

Answer

Red top (no additive)

Answer

Gold/SST (serum separator)

Answer

Light blue top (sodium citrate)

Question 2

What is the purpose of releasing the tourniquet before withdrawing the needle during venipuncture?

Accepted Answer

To prevent a hematoma from forming at the puncture site

Answer

To increase blood flow for a larger sample volume

Answer

To slow the blood draw for accurate measurement

Answer

To maintain the vein for additional draws

Question 3

Which of the following veins is most commonly used for routine venipuncture?

Accepted Answer

Median cubital vein

Answer

Cephalic vein

Answer

Basilic vein

Answer

Femoral vein

Question 4

A fasting blood glucose specimen must be collected after the patient has fasted for at least:

Accepted Answer

8 hours

Answer

2 hours

Answer

4 hours

Answer

24 hours

Question 5

What does 'hemolysis' mean in the context of blood specimen collection?

Accepted Answer

Destruction of red blood cells releasing intracellular contents

Answer

Clotting of the blood sample in an anticoagulated tube

Answer

Separation of serum from clotted blood

Answer

Contamination of the sample with bacteria

Question 6

When using a syringe for venipuncture, which of the following is the correct step after withdrawing blood?

Accepted Answer

Transfer blood into collection tubes using a blood transfer device

Answer

Immediately shake the syringe to prevent clotting

Answer

Recap the needle and store for later transfer

Answer

Inject blood directly into tubes through the rubber stopper using the syringe needle