PHLEBOTOMY NATIONAL UPDATED
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE
●● 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●● QC protocols prohibit use of outdated evacuated tubes because why?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
●● 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.
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS COMPLETE STUDY GUIDE
●● 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●● QC protocols prohibit use of outdated evacuated tubes because why?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
●● 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.
