NATIONAL PHLEBOTOMY
CERTIFICATION EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? - ANS Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? - ANS Wearing gloves to draw blood
This ion is essential to the coagulation process. - ANS Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - ANS Tubes my not fill
completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - ANS Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - ANS Preserve glucose
Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? - ANS Blood culture (SPS) tube
pg. 1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, What is the recommended disinfectant for blood culture sites in infants 2 months and older? -
ANS Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? - ANS Incomplete clotting when
centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? - ANS Order of draw
This is an example of a preanalytical error made at the time of collection. - ANS Failing to mix
tubes
What constitutes a positive modified Allen test? - ANS The hand color returns to normal in
15 seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed? -
ANS Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - ANS Glucose
According to CLSI, the maximum time limit for separating serum or plasma from cells is how
long? - ANS 2.0 hours from time of collection
All of the following are a reason for transporting tubes with the stoppers up EXCEPT which of
the following? - ANS Maintains the sterility of the sample.
The liquid portion of a clotted specimen is called what? - ANS Serum
pg. 2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
CERTIFICATION EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? - ANS Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? - ANS Wearing gloves to draw blood
This ion is essential to the coagulation process. - ANS Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - ANS Tubes my not fill
completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - ANS Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - ANS Preserve glucose
Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? - ANS Blood culture (SPS) tube
pg. 1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, What is the recommended disinfectant for blood culture sites in infants 2 months and older? -
ANS Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? - ANS Incomplete clotting when
centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? - ANS Order of draw
This is an example of a preanalytical error made at the time of collection. - ANS Failing to mix
tubes
What constitutes a positive modified Allen test? - ANS The hand color returns to normal in
15 seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed? -
ANS Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - ANS Glucose
According to CLSI, the maximum time limit for separating serum or plasma from cells is how
long? - ANS 2.0 hours from time of collection
All of the following are a reason for transporting tubes with the stoppers up EXCEPT which of
the following? - ANS Maintains the sterility of the sample.
The liquid portion of a clotted specimen is called what? - ANS Serum
pg. 2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
