CPCT Phlebotomy and Specimen Collection 2

Question 1

What is the purpose of inverting blood collection tubes after drawing blood?

Accepted Answer

To mix the blood with tube additives

Answer

To separate serum from cells

Answer

To prevent clot formation in all tubes

Answer

To activate the gel separator

Question 2

Which type of specimen collection device is used for capillary blood collection from a fingerstick?

Accepted Answer

Lancet

Answer

Vacutainer

Answer

Butterfly needle

Answer

Syringe

Question 3

A patient's blood sample shows hemolysis. Which of the following could be a cause?

Accepted Answer

Using a small-gauge needle with a syringe

Answer

Using a large-bore needle

Answer

Collecting blood from a warm site

Answer

Labeling the tube before collection

Question 4

Where is the preferred site for a heelstick procedure in newborns?

Accepted Answer

Lateral or medial plantar surface of the heel

Answer

Center of the heel

Answer

Posterior curve of the heel

Answer

The big toe

Question 5

What should be done if a patient faints (syncope) during a blood draw?

Accepted Answer

Remove the needle, apply pressure, and lower the patient's head

Answer

Continue collecting the sample quickly

Answer

Apply a cold compress and keep the needle in place

Answer

Ask the patient to take deep breaths while continuing the draw

Question 6

Which of the following is an absolute contraindication for venipuncture at a specific site?

Accepted Answer

Site has an IV line infusing fluids

Answer

Patient has small veins

Answer

Patient expresses mild discomfort

Answer

Site was used 24 hours ago

Question 7

How many times should a skin puncture site be wiped with an alcohol swab before the procedure?

Accepted Answer

Once in a circular outward motion

Answer

Twice in the same direction

Answer

Once in an inward circular motion

Answer

Three times with fresh swabs