Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
1. A micro-sample is generally collected from a 9-month old infant
by_______
a. finger stick
b. scalp stick
c. heel stick
d. venipuncture -
correct answer ✅heel stick
2. 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 -
correct answer ✅blood gases
3. 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.
,Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
c. smaller-sized needle with evacuated tube.
d. standard-sized needle with evacuated tube. -
correct answer ✅winged infusion set with syringe
4. 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 -
correct answer ✅using a larger-than needed needle
5. 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 -
correct answer ✅10
,Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
6. Which of the following factors is likely to have the greatest effect
on the results of a CBC processed within 2 hours of collection of the
sample?
a. Mealtime
b. Mild exercise
c. Environmental temperature
d. Dehydration -
correct answer ✅dehydration
7. If the laboratory protocol calls for the use of chlorhexidine
solution for skin antisepsis for skin puncture or venipuncture, the
antiseptic should NOT be used on infants younger than ______.
a. 12 months
b. 6 months
c. 4 months
d. 2 months -
correct answer ✅2 months
8. The maximum length of time a tourniquet should be left in place
is ___________.
, Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
a. one minute
b. two minutes
c. three minutes
d. four minutes -
correct answer ✅one minute
9. 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 -
correct answer ✅two minutes
10. 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
Verified Answers 100% correct, Update
2026
1. A micro-sample is generally collected from a 9-month old infant
by_______
a. finger stick
b. scalp stick
c. heel stick
d. venipuncture -
correct answer ✅heel stick
2. 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 -
correct answer ✅blood gases
3. 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.
,Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
c. smaller-sized needle with evacuated tube.
d. standard-sized needle with evacuated tube. -
correct answer ✅winged infusion set with syringe
4. 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 -
correct answer ✅using a larger-than needed needle
5. 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 -
correct answer ✅10
,Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
6. Which of the following factors is likely to have the greatest effect
on the results of a CBC processed within 2 hours of collection of the
sample?
a. Mealtime
b. Mild exercise
c. Environmental temperature
d. Dehydration -
correct answer ✅dehydration
7. If the laboratory protocol calls for the use of chlorhexidine
solution for skin antisepsis for skin puncture or venipuncture, the
antiseptic should NOT be used on infants younger than ______.
a. 12 months
b. 6 months
c. 4 months
d. 2 months -
correct answer ✅2 months
8. The maximum length of time a tourniquet should be left in place
is ___________.
, Phlebotomy Final Exam Questions +
Verified Answers 100% correct, Update
2026
a. one minute
b. two minutes
c. three minutes
d. four minutes -
correct answer ✅one minute
9. 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 -
correct answer ✅two minutes
10. 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
