PRACTICE EXAM QUESTIONS
AND ANSWERS 2026 - 2027
In which of the following situations must a
phlebotomy technician ask nursing staff to
complete a blood draw?
(A) A hospitalized patient's chart indicates
blood should only be taken from a central
port.
(B) A hospitalized patient has an IV in one
forearm and a cast on the other arm.
(C) A patient's chart indicates she has had a
double mastectomy.
(D) An elderly patient reports that his veins
frequently collapse during blood draws. - ANSWERS-(A) A
hospitalized patient's chart indicates
blood should only be taken from a central
port.
Which of these statements is true?
(A) Citrate tubes must be filled to at least
90% capacity.
,(B) Citrate tubes must be filled at least 75%
full.
(C) Citrate tubes must be filled at least 50%
full.
(D) Citrate tubes are filled to varying capacities,
depending on the test ordered. - ANSWERS-(A) Citrate tubes must be
filled to at least
90% capacity.
Chain of custody documentation is required
when a test
(A) Relates to genetics in any way
(B) May result in a diagnosis of terminal
illness
(C) Is ordered at a very busy facility
(D) May be used in legal proceedings - ANSWERS-(D) May be used
in legal proceedings
What action should be taken immediately
after a phlebotomy needle has been removed?
(A) The patient should bend his arm
upwards.
(B) The phlebotomist should apply pressure
to a gauze square over the venipuncture
,site.
(C) The venipuncture site should be
bandaged.
(D) A cotton ball should be placed on the
venipuncture site. - ANSWERS-(B) The phlebotomist should apply
pressure
to a gauze square over the venipuncture
site.
What is the maximum angle at which a venipuncture
needle should be inserted when
drawing blood from a patient who is obese?
(A) 15 degrees
(B) 30 degrees
(C) 45 degrees
(D) 90 degrees - ANSWERS-(B) 30 degrees
Glucose challenge tests are routinely performed
on what patient population?
(A) Newborn infants
(B) Children entering school
(C) Pregnant women
(D) Elderly patients - ANSWERS-(C) Pregnant women
, If blood is taken from a collection tube to perform
a peripheral blood smear, what type of
tube should be used?
(A) Red top
(B) Green top
(C) Lavender top
(D) Light blue top - ANSWERS-(C) Lavender top
For which of the following tests commonly
performed on newborns should an amber
microcollection tube be used?
(A) Bilirubin
(B) Capillary blood gas
(C) Newborn metabolic screening
(D) Complete blood count - ANSWERS-(A) Bilirubin
A patient whose veins must be preserved for
medical interventions such as chemotherapy
may have blood tests conducted on
(A) Blood taken from arteries
(B) Blood taken from capillaries
(C) Blood taken from veins in the legs or feet
(D) Blood taken from the back of the hand - ANSWERS-(B) Blood
taken from capillaries