CPT EXAM WITH COMPLETE
SOLUTIONS
Which of the following test(s) are required to be performed by law on all newborns in the
United States? -ANSPKU
Why must a phlebotomist discard the first sample drawn from a heparin or saline lock? -
ANSPotential 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: -
ANS450ml
The donation of blood by a patient for his or her own use at a later time is known as: -
ANSAutologous donation
The phlebotomist has just completed the collection of a specimen for cold agglutinins.
What special collection and/or transport measures must be taken by the phlebotomist
after collection of this sample? -ANSThe 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? -ANSVitamin 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? -ANSBeta-carotene
Which of the following samples is not collected for use as evidence in a legal
proceeding? -ANSPKU 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: -ANSChain of custody
Which of the following criteria is evaluated to determine if a peripheral blood smear is of
adequate quality? -ANSThe slide has a feathered edge, the slide has no holes, the slide
has no streaks (all of the above)
Hemolysis is defined as: -ANSDestruction 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: -ANSCBC
The phlebotomist has an order to draw all of the following tests. Which one of the test
samples must be protected from light? -ANSVitamin B12
Who regulates the use of personal protective equipment for laboratory specimen
processing? -ANSOSHA
You are responsible for cataloging the specimens being delivered by the courier to the
laboratory. Which of the following is a unique identifying number that you will use for
cataloging samples in the laboratory? -ANSAccession number
You are called to assist in central processing. The specimens that you are given to
process require the separation of small portions of plasma or serum from cellular
elements to individual containers called: -ANSAliquots
The phlebotomist has drawn a series of plain red top (no additives) for immunologic
testing. At room temperature, complete clotting of these tubes will occur in what time
frame? -ANS30 to 45 minutes
Which of the following terms describes the quantitative methods used to monitor the
quality of procedures? -ANSQuality control
Patient preparation, collection, and specimen transportation protocols are all part of
which of the following? -ANSQuality assurance
The phlebotomist receives a request to perform a sweat chloride test on a 2-year-old
child and wants to refresh her memory before performing the test. The phlebotomist
consults the ______ before going to the child's room. -ANSProcedure manual
As a phlebotomist you are responsible for monitoring and controlling variables that
impact your scope of practice in the collection of quality specimens. Which of the
following variables is the phlebotomist most responsible for controlling? -
ANSPreanalytical variables
Which of the following is not a preanalytical variable? -ANSSpecimen analysis
When should the phlebotomist wash his or her hands? -ANSWhen entering and leaving
the patient's room
A patient filed a civil suit against the phlebotomist. In order for the phlebotomist to be
found guilty of malpractice, which of the following must be proven by the plaintiff? -
ANSDuty, dereliction, injury, direct cause
SOLUTIONS
Which of the following test(s) are required to be performed by law on all newborns in the
United States? -ANSPKU
Why must a phlebotomist discard the first sample drawn from a heparin or saline lock? -
ANSPotential 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: -
ANS450ml
The donation of blood by a patient for his or her own use at a later time is known as: -
ANSAutologous donation
The phlebotomist has just completed the collection of a specimen for cold agglutinins.
What special collection and/or transport measures must be taken by the phlebotomist
after collection of this sample? -ANSThe 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? -ANSVitamin 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? -ANSBeta-carotene
Which of the following samples is not collected for use as evidence in a legal
proceeding? -ANSPKU 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: -ANSChain of custody
Which of the following criteria is evaluated to determine if a peripheral blood smear is of
adequate quality? -ANSThe slide has a feathered edge, the slide has no holes, the slide
has no streaks (all of the above)
Hemolysis is defined as: -ANSDestruction 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: -ANSCBC
The phlebotomist has an order to draw all of the following tests. Which one of the test
samples must be protected from light? -ANSVitamin B12
Who regulates the use of personal protective equipment for laboratory specimen
processing? -ANSOSHA
You are responsible for cataloging the specimens being delivered by the courier to the
laboratory. Which of the following is a unique identifying number that you will use for
cataloging samples in the laboratory? -ANSAccession number
You are called to assist in central processing. The specimens that you are given to
process require the separation of small portions of plasma or serum from cellular
elements to individual containers called: -ANSAliquots
The phlebotomist has drawn a series of plain red top (no additives) for immunologic
testing. At room temperature, complete clotting of these tubes will occur in what time
frame? -ANS30 to 45 minutes
Which of the following terms describes the quantitative methods used to monitor the
quality of procedures? -ANSQuality control
Patient preparation, collection, and specimen transportation protocols are all part of
which of the following? -ANSQuality assurance
The phlebotomist receives a request to perform a sweat chloride test on a 2-year-old
child and wants to refresh her memory before performing the test. The phlebotomist
consults the ______ before going to the child's room. -ANSProcedure manual
As a phlebotomist you are responsible for monitoring and controlling variables that
impact your scope of practice in the collection of quality specimens. Which of the
following variables is the phlebotomist most responsible for controlling? -
ANSPreanalytical variables
Which of the following is not a preanalytical variable? -ANSSpecimen analysis
When should the phlebotomist wash his or her hands? -ANSWhen entering and leaving
the patient's room
A patient filed a civil suit against the phlebotomist. In order for the phlebotomist to be
found guilty of malpractice, which of the following must be proven by the plaintiff? -
ANSDuty, dereliction, injury, direct cause