NPS PHLEBOTOMY CERTIFICATION
EVALUATION 2026 STUDY GUIDE
QUESTIONS AND ANSWERS
◉ Which of the following is NOT a recommended practice to prevent
cross-contamination in phlebotomy?
A. Changing gloves between patients
B. Dissecting the venipuncture site with
C. Drawing blood without gloves
D. Using a new needle for each patient
Answer: C. Drawing blood without gloves
◉ Heparin is an
A. Antibiotic
B. Anticoagulant
C. Antihistamine
D. Antibody
Answer: B. Anticoagulant
◉ Which department in the lab is responsible for the study of
tissues?
,A. Pathology department
B. Microbiology department
C. Blood bank Department
D. Hematology department
Answer: A. Pathology department
◉ What is the effect of centrifuging blood before it has clotted
completely?
A. It will reduce the risk of hemolysis.
B. It will speed up the clotting process
C. It can cause erroneous test results due to incomplete separation of
serum and cells
D. It will result in a clearer serum sample
Answer: C. It can cause erroneous test results due to incomplete
separation of serum and cells
◉ If the blood begins to froth or bubble during the procedure, that
means ____
A. you punctured both vein walls
B. The stick was too shallow
C. the needle is within the lumen
D. the procedure is successful
Answer: B. The stick was too shallow
, ◉ Which of the following is NOT a cause of hemolysis?
A. Centrifuging the blood before it is clotted
B. Using a needle that is too small
C. Shaking the tube instead of inverting it gently
D. Allowing alcohol to mix with the blood.
Answer: D. Allowing alcohol to mix with the blood.
◉ Syringe system gives phlebotomist:
A. more control over the vacuum
B. an inaccurate interpretation of the strength of the vein
C. more room for error
D. no control over the vacuum
Answer: A. more control over the vacuum
◉ Checking analytes and chemical compounds, the _____ department
tends to be the biggest department in a hospital laboratory.
A. Microbiology
B. Chemistry
C. Pathology
D. Serology
Answer: B. Chemistry
EVALUATION 2026 STUDY GUIDE
QUESTIONS AND ANSWERS
◉ Which of the following is NOT a recommended practice to prevent
cross-contamination in phlebotomy?
A. Changing gloves between patients
B. Dissecting the venipuncture site with
C. Drawing blood without gloves
D. Using a new needle for each patient
Answer: C. Drawing blood without gloves
◉ Heparin is an
A. Antibiotic
B. Anticoagulant
C. Antihistamine
D. Antibody
Answer: B. Anticoagulant
◉ Which department in the lab is responsible for the study of
tissues?
,A. Pathology department
B. Microbiology department
C. Blood bank Department
D. Hematology department
Answer: A. Pathology department
◉ What is the effect of centrifuging blood before it has clotted
completely?
A. It will reduce the risk of hemolysis.
B. It will speed up the clotting process
C. It can cause erroneous test results due to incomplete separation of
serum and cells
D. It will result in a clearer serum sample
Answer: C. It can cause erroneous test results due to incomplete
separation of serum and cells
◉ If the blood begins to froth or bubble during the procedure, that
means ____
A. you punctured both vein walls
B. The stick was too shallow
C. the needle is within the lumen
D. the procedure is successful
Answer: B. The stick was too shallow
, ◉ Which of the following is NOT a cause of hemolysis?
A. Centrifuging the blood before it is clotted
B. Using a needle that is too small
C. Shaking the tube instead of inverting it gently
D. Allowing alcohol to mix with the blood.
Answer: D. Allowing alcohol to mix with the blood.
◉ Syringe system gives phlebotomist:
A. more control over the vacuum
B. an inaccurate interpretation of the strength of the vein
C. more room for error
D. no control over the vacuum
Answer: A. more control over the vacuum
◉ Checking analytes and chemical compounds, the _____ department
tends to be the biggest department in a hospital laboratory.
A. Microbiology
B. Chemistry
C. Pathology
D. Serology
Answer: B. Chemistry
