CPCT Phlebotomy Review Questions
with Answers
Arteries - Answer-carry oxygenated blood away from the heart to the body
Veins - Answer-carry blood back to the heart
Capillaries - Answer-The smallest blood vessels, and the site of exchange of chemicals
and water between the blood and the tissu...
Arteries - Answer -carry oxygenated b lood away from the heart to the body
Veins - Answer -carry blood back to the heart
Capillaries - Answer -The smallest blood vessels, and the site of exchange of chemicals
and water between the blood and the tissues.
Always use ______________ when handling body fluids, nonintact skin, or mucous
membranes. - Answer -PPE
What should you always check when identifying patients? - Answer -Two patient
identifiers
Average needle size for venipuncture - Answer -20-23 gauge, 1 -1.5 inch
Check on the needle before usi ng - Answer -Expiration date, labels and seal, safety
device, bevel
Items to gather for venipuncture - Answer -Alcohol pads, tourniquet, needle, hub,
adapter, tubes, tube holder, labels.
Labeling specimens - Answer -Do this in front of the patient, do not u se a pencil, do not
cover the stopper or lid, avoid wrinkling, fill out after collecting specimen.
Reasons for Dermal Puncture - Answer -1. Test requires small amount of blood
2. Patient does not have accessible vein but blood collection is essential.
3. Laboratory test requires capillary blood
4. Patient is at risk of iatrogenic anemia
For infants younger than ________________, a dermal puncture is preferable. -
Answer -1 year old
Finger stick site - Answer -Third or fourth finger, patient's nondominant hand, fleshy off -
center side of the finger.
Heel stick site - Answer -Medial or lateral side of the plantar surface on the heel. Do not
use the back of the heel.
Hematoma - Answer -collection of blood under the skin
1 / 2
What should you do with the first drop of blood from a dermal puncture? - Answer -Wipe
away the first drop of blood
Patient position for a venipuncture - Answer -Sitting in chair or lying in bed. Never
standing or sitting o n stool or exam table.
Preferable order of vein selection for venipuncture - Answer -1. Median cubital vein
2. Cephalic Vein
3. Hand vein
4. Basilic Vein
What to do if patient has IV in arm and you need to perform venipuncture: - Answer -1.
First try to fi nd a vein in the other arm
2. If needed, perform the venipuncture distal to the IV catheter insertion site
Areas to avoid for a venipuncture - Answer -Mastectomy side, tattoo, hematoma, edema,
scars, sclerosis
Sclerotic - Answer -Hard, inflexible, and narr ow, as it is typical with veins that have
undergone multiple venipunctures
Position of the tourniquet - Answer -3 to 4 inches above the bend of the elbow or hand
(depending on the venipuncture location)
time tourniquet can be left on - Answer -60 sec/1 min or less
Antiseptic application for venipuncture or dermal puncture - Answer -70% alcohol pad or
swab, use friction scrub with back and forth movement, allow to air dry
Angle of insertion for venipuncture in antecubital region - Answer -15-30 degrees
Angle of insertion for venipuncture of dorsal hand - Answer -10 degrees
Needle Bevel - Answer -This part of the needle should be facing up during venipuncture
procedure
Evacuated Tube System - Answer -Most common method of blood collection. Needle is
attach ed to a holder and allows for multiple specimen tube fills and changes without
blood leakage.
Evacuated tube stopper colors - Answer -Helps identify which type of tube to use for
which laboratory test. Also relates to the various additives in the tubes.
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