©BRAINBARTER EXAM SOLUTIONS 2024/2025
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National Phlebotomy Certification Exam
Questions With Correct Answers
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? - answer✔Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? - answer✔Wearing gloves to draw blood
This ion is essential to the coagulation process. - answer✔Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - answer✔Tubes my not
fill completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - answer✔Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - answer✔Preserve glucose
Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? - answer✔Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months and older? -
answer✔Chlorhexidine gluconate
1|Page
, ©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Latent fibrin formation in serum can result from what? - answer✔Incomplete clotting when
centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? - answer✔Order of draw
This is an example of a preanalytical error made at the time of collection. - answer✔Failing to
mix tubes
What constitutes a positive modified Allen test? - answer✔The hand color returns to normal in
15 seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed? -
answer✔Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - answer✔Glucose
According to CLSI, the maximum time limit for separating serum or plasma from cells is how
long? - answer✔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? - answer✔Maintains the sterility of the sample.
The liquid portion of a clotted specimen is called what? - answer✔Serum
The most common reason for glucose monitoring through POCT is to what? - answer✔Monitor
glucose levels for diabetic care.
2|Page
ALL RIGHTS RESERVED.
National Phlebotomy Certification Exam
Questions With Correct Answers
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? - answer✔Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? - answer✔Wearing gloves to draw blood
This ion is essential to the coagulation process. - answer✔Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - answer✔Tubes my not
fill completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - answer✔Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - answer✔Preserve glucose
Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? - answer✔Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months and older? -
answer✔Chlorhexidine gluconate
1|Page
, ©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Latent fibrin formation in serum can result from what? - answer✔Incomplete clotting when
centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? - answer✔Order of draw
This is an example of a preanalytical error made at the time of collection. - answer✔Failing to
mix tubes
What constitutes a positive modified Allen test? - answer✔The hand color returns to normal in
15 seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed? -
answer✔Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - answer✔Glucose
According to CLSI, the maximum time limit for separating serum or plasma from cells is how
long? - answer✔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? - answer✔Maintains the sterility of the sample.
The liquid portion of a clotted specimen is called what? - answer✔Serum
The most common reason for glucose monitoring through POCT is to what? - answer✔Monitor
glucose levels for diabetic care.
2|Page
