PCT Phlebotomy reviewed questions
with 100% verified answers.
What needle gauge or gauges are most used by phlebotomy technicians? ANS - 21 and 22 gauge
What are the three variables of infection control a phlebotomist must consider prior to performing a
venipuncture? ANS - The patient, the environment, and themselves
If a patient asks you to go and wash your hands, even though you just washed them prior to entering the
room, what would be your best response? ANS - Politely oblige the patient's request
What is the correct name for the picture of this phlebotomists equipment? ANS - vaccutainer tubes
Needle stick injuries are a real life threat to any phlebotomist. Under standing the role of proper medical
asepsis and safe venipuncture procedure is crucial to protect the patient as well as the phlebotomist.
Which of the following viruses are contracted via blood and body fluids? ANS - HIV, Hep A, Hep B, Hep
C, MRSA
The needle gauge is best defined as... ANS - The diameter of the needle
Your patient has been admitted with suspected TB. You must draw their blood. What type of personal
protective equipment will you wear? ANS - N95 Mask, gown and gloves
The chain of infection can be halted by performing which of the following actions? ANS - washing hands
before and after each patient contact
The most important reasoning for filling up a blue top tube completely is which of the following? ANS -
All three of the above questions are true
to make sure that the test results are accurate
,completing the filling allows for the correct ration in preservative to blood
Citrate is a reversible anticoagulant, and these tubes are used for coagulation assays. Because the liquid
citrate dilutes the blood, it is important the tube is full so the dilution is properly accounted for
all three of the above questions are true
Tubes come in many colors and have different additives. The best way to memorize tubes is by their
additives. Sodium Citrate, or (Na Citrate) is added to which color tube in the amount of 0.3mL's ANS -
Light Blue
K2EDTA is a _______________ and is used for ___________________. ANS - strong anticoagulant,
complete blood counts
You need to perform a fasting blood glucose draw on your patient. This is a test used to diagnose the
condition known as ___________ and the test is done in a _____________ that contains the
preservative ANS - Diabetes, grey top tube, Na Fluoride +K Oxalate
The basilic vein is the best vein of choice for which reason? ANS - The basilic vein must be avoided due
to its close proximity to the heart, and the sensitivity of the nerves in the area
Gold and Red tubes sometimes have a substance at the bottom. This substance can best be described
as..... ANS - Clot activator and silicon gel for serum seperation
Preanalytical variables can best be described by which of the following explanations below? ANS -
factors which the phlebotomist can control to obtain a quality specimen while protecting the patient
Proper inversion, correct needle gauge selection, proper cleansing of the venipuncture site and correct
vein choice are factors that the phlebotomist calls.... ANS - ALL OF THE ABOVE
pre analytical variables
proper phlebotomy techniques
maintaining patient safety and rights
all of the above
, When the phlebotomist uses a needle gauge of 25 and vigorously inverts the vaccutainer tube, what is
the result ANS - Hemolysis
You have to do a Cadmium Level Blood test.. The tube you will select will be... ANS - Royal Blue
Capillary puncture is done on the finger of an adult at a depth of ____________ for child approximately
_____________ deep and on the infant less than one year of age _____________ ANS - 2.5 mL's,
2.0mL's and 1.5mL's
T or F Do you use the tip or the center of the finger ANS - FALSE
When doing a capillary stick, it is important to align the lancet.... ANS - against the grain, or
perpendicular to the finger print
When blood is drawn 1-2 hours after a fatty meal the blood plasma or serum may appear to be milky.
This phenomenon is called? ANS - Lactescense
You are required to draw 5 tubes of blood. Two of the tubes are the blue and three of the tubes are red.
How many milliliters of blood do you need to collect total? ANS - 35.4 mL's of blood
When using a butterfly needle a phlebotomist must.... ANS - ALL OF THE ABOVE ANSWERS ARE TRUE
provide a waste tube unless doing blood cultures
never allow butterfly to remain in vein without stabilizing the needle. Always hold onto the needle
Enter the vein at a slightly lower angle
all of the above answers are true
All phlebotomist must practice infection control. The most important infection control procedure that
any health care professional can do is........ ANS - Hand washing
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