CERTIFIED PHLEBOTOMY TECH(CPT) NATIONAL
PRACTICE EXAM 150 QUESTIONS & CORRECT
ANSWERS LATEST 2026/2027
A phlebotomist must choose the right tube color and additive for the corresponding
_______? - ANSWER-Laboratory test
When should a phlebotomist perform external liquid controls for quality control on
a CLIA-waived point of care test? - ANSWER-When a new lot # or kit is opened
A phlebotomist is drawing 5 blood collection tubes. When should the tourniquet be
released? - ANSWER-1 to 2 minutes
What agent should a phlebotomist cleanse the skin with before drawing blood
cultures? - ANSWER-Providone Iodine"
According to the CLSI order of draw guidelines, which of the following samples
should the phlebotomist collect first?
Blood cultures
coagulation
electrolytes
glucose levels - ANSWER-Blood cultures
,Which of the following is appropriate to use when collecting for a chemistry test
that requires serum?
SST
SPS
EDTA
PST - ANSWER-SST (serum separator tube)
After performing a heel puncture for neonatal screening, which of the following is
the correct procedure for collecting the blood?
Smear the blood on the circle
saturate each circle
touch the heel to the center of the circle
drop the blood on the circle - ANSWER-saturate each circle
A phlebotomist observes a hematoma developing at the site of a venous blood
draw. The phlebotomist should?? - ANSWER-Release the tourniquet and stop the
draw
When should the code on glucose cuvettes or strips be compared to the code on the
glucose meter? - ANSWER-When a patient is tested
The phlebotomist needs to draw a glucose tolerance test (GTT) on a patient and
notices an empty breakfast plate on the bedside table. Which of the following
actions should the phlebotomist take? - ANSWER-Ask the patient when she last
ate or drank
, Tubes with what additive should be used when collecting a sample for CBC -
ANSWER-EDTA
When preparing for transport, what specimens must be placed into an ice bath
within 30 minutes after collection? - ANSWER-Arterial blood gases
Which of the following actions would result in a grossly hemolyzed specimen?
An incorrect order of draw
applying the tourniquet too close to the draw site
failure to invert the tube
an incorrect needle gauge - ANSWER-An incorrect needle gauge
The phlebotomist must perform a blood draw on a patient with an IV on the right
side, and there has been a mastectomy on the left side. Where should the
phlebotomist perform the venipuncture? - ANSWER-Below the IV
Before collecting blood on an inpatient, the phlebotomist notices that the patient
does not have a wristband on his wrist, but there is one attached to the patient's IV
stand. Which of the following is the proper action? - ANSWER-Don't draw until
the nurse has attached a wristband to the patient
A phlebotomist receives orders to draw an infant screening card, O2 levels,
bilirubin and DNA. Which of the following should be drawn first?
Bilirubin
O2 levels
DNA
PRACTICE EXAM 150 QUESTIONS & CORRECT
ANSWERS LATEST 2026/2027
A phlebotomist must choose the right tube color and additive for the corresponding
_______? - ANSWER-Laboratory test
When should a phlebotomist perform external liquid controls for quality control on
a CLIA-waived point of care test? - ANSWER-When a new lot # or kit is opened
A phlebotomist is drawing 5 blood collection tubes. When should the tourniquet be
released? - ANSWER-1 to 2 minutes
What agent should a phlebotomist cleanse the skin with before drawing blood
cultures? - ANSWER-Providone Iodine"
According to the CLSI order of draw guidelines, which of the following samples
should the phlebotomist collect first?
Blood cultures
coagulation
electrolytes
glucose levels - ANSWER-Blood cultures
,Which of the following is appropriate to use when collecting for a chemistry test
that requires serum?
SST
SPS
EDTA
PST - ANSWER-SST (serum separator tube)
After performing a heel puncture for neonatal screening, which of the following is
the correct procedure for collecting the blood?
Smear the blood on the circle
saturate each circle
touch the heel to the center of the circle
drop the blood on the circle - ANSWER-saturate each circle
A phlebotomist observes a hematoma developing at the site of a venous blood
draw. The phlebotomist should?? - ANSWER-Release the tourniquet and stop the
draw
When should the code on glucose cuvettes or strips be compared to the code on the
glucose meter? - ANSWER-When a patient is tested
The phlebotomist needs to draw a glucose tolerance test (GTT) on a patient and
notices an empty breakfast plate on the bedside table. Which of the following
actions should the phlebotomist take? - ANSWER-Ask the patient when she last
ate or drank
, Tubes with what additive should be used when collecting a sample for CBC -
ANSWER-EDTA
When preparing for transport, what specimens must be placed into an ice bath
within 30 minutes after collection? - ANSWER-Arterial blood gases
Which of the following actions would result in a grossly hemolyzed specimen?
An incorrect order of draw
applying the tourniquet too close to the draw site
failure to invert the tube
an incorrect needle gauge - ANSWER-An incorrect needle gauge
The phlebotomist must perform a blood draw on a patient with an IV on the right
side, and there has been a mastectomy on the left side. Where should the
phlebotomist perform the venipuncture? - ANSWER-Below the IV
Before collecting blood on an inpatient, the phlebotomist notices that the patient
does not have a wristband on his wrist, but there is one attached to the patient's IV
stand. Which of the following is the proper action? - ANSWER-Don't draw until
the nurse has attached a wristband to the patient
A phlebotomist receives orders to draw an infant screening card, O2 levels,
bilirubin and DNA. Which of the following should be drawn first?
Bilirubin
O2 levels
DNA
