Free NHA CPT Practice Test

Which federal agency is primarily responsible for establishing and enforcing workplace safety standards in clinical laboratories?

A phlebotomist notices that the ventilation system in the blood draw station has stopped working. Which organization’s guidelines should be consulted to determine the minimum ventilation requirements for this workspace?

Which organization develops voluntary consensus standards for laboratory procedures, including venipuncture and capillary collection guidelines?

Which of the following is an acceptable form of patient identification per the two-identifier protocol?

A phlebotomist arrives to draw blood from a hospital patient. The patient’s wristband shows the name ‘Maria Lopez’ and DOB ’04/15/1980,’ but the requisition lists ‘Maria Lopez-Garcia’ with the same DOB. What should the phlebotomist do?

A phlebotomist is preparing to collect blood from an outpatient who is not wearing an identification wristband. What is the best approach to verify identity?

Which tube color contains EDTA as its additive and is commonly used for complete blood count (CBC) testing?

A phlebotomist is preparing to collect blood from a patient with small, fragile veins in the hand. Which collection device is most appropriate for this situation?

What is the primary purpose of an adapter (hub) in the evacuated tube system?

When collecting blood cultures, which bottle should be inoculated first when using the direct draw method with a needle and syringe?

A phlebotomist is preparing to collect blood cultures from a patient with a suspected bloodstream infection. After applying the tourniquet and selecting the site, which antiseptic agent is most appropriate for skin preparation?

A physician orders blood cultures for a patient suspected of having a bloodstream infection. Which collection technique best helps the laboratory distinguish a true bacteremia from a skin contaminant?

What is the typical centrifugation speed range used for separating serum or plasma from blood cells?

A phlebotomist places four tubes in the centrifuge but realizes one tube is significantly heavier than the others. What must the phlebotomist do before starting the centrifuge?

What is the purpose of a serum separator tube (SST)?