National Phlebotomy Certification
Exam 2026 Questions and Answers 100%
Pass Guaranteed
An individual who has little resistance to an infectious microbe is referred to as a
susceptible what? - Correct answer-Host
Which of the following is an example of a work practice control that reduces risk
of exposure to bloodborne pathogens? - Correct answer-Wearing gloves to draw
blood
This ion is essential to the coagulation process. - Correct answer-Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - Correct
answer-Tubes my not fill completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - Correct answer-Specimens to be
collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - Correct answer-Preserve glucose
©COPYRIGHT 2025, ALL RIGHTS RESERVE 1
, Which on of the following tubes is filled first when multiple tubes are filled using
an evacuated tube system? - Correct answer-Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months
and older? - Correct answer-Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? - Correct 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? - Correct answer-Order of
draw
This is an example of a preanalytical error made at the time of collection. - Correct
answer-Failing to mix tubes
What constitutes a positive modified Allen test? - Correct 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? - Correct answer-Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - Correct
answer-Glucose
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
Exam 2026 Questions and Answers 100%
Pass Guaranteed
An individual who has little resistance to an infectious microbe is referred to as a
susceptible what? - Correct answer-Host
Which of the following is an example of a work practice control that reduces risk
of exposure to bloodborne pathogens? - Correct answer-Wearing gloves to draw
blood
This ion is essential to the coagulation process. - Correct answer-Calcium
QC protocols prohibit use of outdated evacuated tubes because why? - Correct
answer-Tubes my not fill completely, changing additive-to-sample ratios.
Molecular genetic testing requires what? - Correct answer-Specimens to be
collected in sterile EDTA.
What is the purpose of an antiglycolytic agent? - Correct answer-Preserve glucose
©COPYRIGHT 2025, ALL RIGHTS RESERVE 1
, Which on of the following tubes is filled first when multiple tubes are filled using
an evacuated tube system? - Correct answer-Blood culture (SPS) tube
What is the recommended disinfectant for blood culture sites in infants 2 months
and older? - Correct answer-Chlorhexidine gluconate
Latent fibrin formation in serum can result from what? - Correct 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? - Correct answer-Order of
draw
This is an example of a preanalytical error made at the time of collection. - Correct
answer-Failing to mix tubes
What constitutes a positive modified Allen test? - Correct 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? - Correct answer-Nonanticoagulant gel tubes
Reference values are higher for capillary specimens with what test? - Correct
answer-Glucose
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2