National Phlebotomy Certification Exam
Questions and Answers A GRADE2023
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? ✔✔Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? ✔✔Wearing gloves to draw blood
This ion is essential to the coagulation process. ✔✔Calcium
QC protocols prohibit use of outdated evacuated tubes because why? ✔✔Tubes my not fill
completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? ✔✔Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? ✔✔Preserve glucose
, Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? ✔✔Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months and older?
✔✔Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? ✔✔Incomplete clotting when centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? ✔✔Order of draw
This is an example of a preanalytical error made at the time of collection. ✔✔Failing to mix
tubes
What constitutes a positive modified Allen test? ✔✔The hand color returns to normal in 15
seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed?
✔✔Nonanticoagulant gel tubes
Questions and Answers A GRADE2023
An individual who has little resistance to an infectious microbe is referred to as a susceptible
what? ✔✔Host
Which of the following is an example of a work practice control that reduces risk of exposure to
bloodborne pathogens? ✔✔Wearing gloves to draw blood
This ion is essential to the coagulation process. ✔✔Calcium
QC protocols prohibit use of outdated evacuated tubes because why? ✔✔Tubes my not fill
completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? ✔✔Specimens to be collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? ✔✔Preserve glucose
, Which on of the following tubes is filled first when multiple tubes are filled using an evacuated
tube system? ✔✔Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months and older?
✔✔Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? ✔✔Incomplete clotting when centrifuged
In which of the following areas does capillary specimen collection differ from routine
venipuncture when collecting a BUN and CBC? ✔✔Order of draw
This is an example of a preanalytical error made at the time of collection. ✔✔Failing to mix
tubes
What constitutes a positive modified Allen test? ✔✔The hand color returns to normal in 15
seconds.
According to CLSI, which tubes should be placed upright as soon as they are mixed?
✔✔Nonanticoagulant gel tubes
