CPT EXAM QUESTIONS AND ANSWERS GRADED A+
Which of the following test(s) are required to be performed by
law on all newborns in the United States? ANS >> PKU
Why must a phlebotomist discard the first sample drawn from a
heparin or saline lock? ANS >> Potential dilution of the specimen
A first-time blood donor wants to know how much blood will be
taken during the procedure. The phlebotomist states that the
average volume of a "unit" of blood is: ANS >> 450ml
The donation of blood by a patient for his or her own use at a
later time is known as: ANS >> Autologous donation
The phlebotomist has just completed the collection of a
specimen for cold agglutinins. What special collection and/or
,CPT EXAM
transport measures must be taken by the phlebotomist after
collection of this sample? ANS >> The specimen must be collected
in a prewarmed tube
Which of the following sample collections does not require
transportation of the sample to the laboratory in a chilled
environment? ANS >> Vitamin A
The phlebotomist has just collected a specimen that needs to
be protected from light during transportation to the laboratory.
Which of the following specimens did the phlebotomist collect?
ANS >> Beta-carotene
Which of the following samples is not collected for use as
evidence in a legal proceeding? ANS >> PKU testing
The phlebotomist is called to the ER to pick up forensic
specimens for a sexual assault. The most important concept the
phlebotomist must adhere to in handling forensic specimens in
proper: ANS >> Chain of custody
Which of the following criteria is evaluated to determine if a
peripheral blood smear is of adequate quality? ANS >> The slide
, CPT EXAM
has a feathered edge, the slide has no holes, the slide has no
streaks (all of the above)
Homolysis is defined as: ANS >> Destruction of red blood cells
The phlebotomist has received an order to draw a specimen
from a patient known to have a cold agglutinin. The test that
has been ordered requires that an EDTA whole blood tube be
collected in a prewarmed tube and remain warm until testing.
The test ordered is a: ANS >> CBC
The phlebotomist has an order to draw all of the following tests.
Which one of the test samples must be protected from light?
ANS >> Vitamin B12
Who regulates the use of personal protective equipment for
laboratory specimen processing? ANS >> OSHA
You are responsible for cataloguing the specimens being
delivered by the courier to the laboratory. Which of the
following is a unique identifying number that you will use for
cataloguing samples in the laboratory? ANS >> Accession number