PHLEBOTOMY FINAL EXAM PRACTICE
QUESTIONS AND ANSWERS NEWLY MODIFIED
TESTED AND APPROVED 2025/2026 LATEST
If unable to locate an adequate venipuncture site with a tourniquet applied, how
long should the tourniquet be released before reapplying?
a. 30 seconds
b. one minute
c. two minutes
d. three minutes --ANSWER--two minutes
When drawing blood from a patient in isolation for infection with Clostridium
difficile, gloves should be donned __________.
a. after palpating the site
b. before entering the room
c. immediately before preparing the site
d. immediately after preparing the site --ANSWER--before entering the room
Which government agency is responsible for laws governing the use of gloves
when carrying out a venipuncture?
a. USDA
b. FDA
Page 1 of 47
,c. CDC
d. OSHA --ANSWER--OSHA
If a blood specimen is to be obtained for the trough level of a drug, the best time
to draw the blood is usually_________.
a. 15 minutes before the next scheduled dose
b. 30 minutes before the next scheduled dose
c. 60 minutes before the next scheduled dose
d. 2 hours after the last scheduled dose --ANSWER--a. 15 minutes before the
next scheduled dose
The closure cap of the collection tube that contains sodium citrate is
_________.
a. gray
b. lavender
c. green
d. light blue --ANSWER--light blue
If venipuncture is attempted and no blood returns when the evacuated tube is
attached but the needle appears to be in the vein, the initial response should be
to __________.
a. consider an ankle vein
Page 2 of 47
,b. remove the needle
c. reposition the needle
d. change the evacuated tube --ANSWER--reposition the needle
If a patient had a right mastectomy 6 months ago, blood may be drawn from the
______.
a. left arm
b. left or right ankle
c. right arm - distal area only
d. left or right arm --ANSWER--left arm
A micro-sample is generally collected from a 9-month old infant by_______
a. finger stick
b. scalp stick
c. heel stick
d. venipuncture --ANSWER--heel stick
For which of the following tests must blood be drawn from an artery?
a. Anti-hemophilic factor
b. Chromosome analysis
c. Hemoglobin A1C
d. Blood gases --ANSWER--blood gases
Page 3 of 47
, When performing venipuncture on a patient with small, fragile veins, the best
solution is to use a:
a. winged infusion set with syringe.
b. winged infusion set with evacuated tube.
c. smaller-sized needle with evacuated tube.
d. standard-sized needle with evacuated tube. --ANSWER--winged infusion set
with syringe
Which of the following is NOT a cause of hemolysis?
a. Failing to air dry antiseptic
b. Using a larger-than-needed needle
c. Using a smaller-than-needed needle
d. Shaking tubes vigorously --ANSWER--using a larger-than needed needle
When collecting a sample of whole blood for testing using a lavender-capped
Microtainer, how many inversions are needed to mix the blood with the
additive?
a. 6
b. 8
c. 10
d. 12 --ANSWER--10
Page 4 of 47
QUESTIONS AND ANSWERS NEWLY MODIFIED
TESTED AND APPROVED 2025/2026 LATEST
If unable to locate an adequate venipuncture site with a tourniquet applied, how
long should the tourniquet be released before reapplying?
a. 30 seconds
b. one minute
c. two minutes
d. three minutes --ANSWER--two minutes
When drawing blood from a patient in isolation for infection with Clostridium
difficile, gloves should be donned __________.
a. after palpating the site
b. before entering the room
c. immediately before preparing the site
d. immediately after preparing the site --ANSWER--before entering the room
Which government agency is responsible for laws governing the use of gloves
when carrying out a venipuncture?
a. USDA
b. FDA
Page 1 of 47
,c. CDC
d. OSHA --ANSWER--OSHA
If a blood specimen is to be obtained for the trough level of a drug, the best time
to draw the blood is usually_________.
a. 15 minutes before the next scheduled dose
b. 30 minutes before the next scheduled dose
c. 60 minutes before the next scheduled dose
d. 2 hours after the last scheduled dose --ANSWER--a. 15 minutes before the
next scheduled dose
The closure cap of the collection tube that contains sodium citrate is
_________.
a. gray
b. lavender
c. green
d. light blue --ANSWER--light blue
If venipuncture is attempted and no blood returns when the evacuated tube is
attached but the needle appears to be in the vein, the initial response should be
to __________.
a. consider an ankle vein
Page 2 of 47
,b. remove the needle
c. reposition the needle
d. change the evacuated tube --ANSWER--reposition the needle
If a patient had a right mastectomy 6 months ago, blood may be drawn from the
______.
a. left arm
b. left or right ankle
c. right arm - distal area only
d. left or right arm --ANSWER--left arm
A micro-sample is generally collected from a 9-month old infant by_______
a. finger stick
b. scalp stick
c. heel stick
d. venipuncture --ANSWER--heel stick
For which of the following tests must blood be drawn from an artery?
a. Anti-hemophilic factor
b. Chromosome analysis
c. Hemoglobin A1C
d. Blood gases --ANSWER--blood gases
Page 3 of 47
, When performing venipuncture on a patient with small, fragile veins, the best
solution is to use a:
a. winged infusion set with syringe.
b. winged infusion set with evacuated tube.
c. smaller-sized needle with evacuated tube.
d. standard-sized needle with evacuated tube. --ANSWER--winged infusion set
with syringe
Which of the following is NOT a cause of hemolysis?
a. Failing to air dry antiseptic
b. Using a larger-than-needed needle
c. Using a smaller-than-needed needle
d. Shaking tubes vigorously --ANSWER--using a larger-than needed needle
When collecting a sample of whole blood for testing using a lavender-capped
Microtainer, how many inversions are needed to mix the blood with the
additive?
a. 6
b. 8
c. 10
d. 12 --ANSWER--10
Page 4 of 47
