NCCT PHLEBOTOMY LATEST EXAM QUESTIONS AND
ANSWERS
The physician orders a prothrombin time. Which of the following tubes should be
used to collect the specimen?
A. gray,
B. light blue,
C. yellow,
D. red
B. light blue
Which of the following actions should the medical assistant take to prevent
hemolysis of a blood specimen in an EDTA tube?
A. Store the tube in the refrigerator after the specimen has been collected.,
B. Use a 25 gauge needle or smaller to collect the specimen.,
C. Allow the tube to stand for 20 minutes prior to processing.,
D. Gently invert the tube after collecting the specimen.
D. Gently invert the tube after collecting the specimen.
Which of the following types of additives is present in an EDTA tube?
A. anticoagulant,
B. clot activator,
C. gel separator,
, D. antimicrobial
A. anticoagulant
Which of the following tubes should the medical assistant select in collecting a
blood sample for a Complete Blood Count (CBC)?
A. red top, no additive,
B. blue top, sodium citrate additive,
C. lavender top, ethylenediaminetetraacetic acid additive,
D. green top, lithium heparin additive
C. lavender top, ethylenediaminetetraacetic acid additive
A patient is at the lab for their weekly PT/INR. Which of the following tubes should
the medical assistant collect for this test?
A. red top,
B. lavender top,
C. light blue top,
D. green top
C. light blue top
A phlebotomist is staffing the outpatient clinic at a remote site. There is a
centrifuge at the site, but it is not functional. The courier will be arriving to pick-
up all samples collected at 1300, and will deliver to the testing laboratory at 1500.
A patient arrives at 1200 with orders for Complete Blood Count, Prothrombin
Time, and Basic Metabolic Panel. Which tubes should the phlebotomist use for
blood collection?
ANSWERS
The physician orders a prothrombin time. Which of the following tubes should be
used to collect the specimen?
A. gray,
B. light blue,
C. yellow,
D. red
B. light blue
Which of the following actions should the medical assistant take to prevent
hemolysis of a blood specimen in an EDTA tube?
A. Store the tube in the refrigerator after the specimen has been collected.,
B. Use a 25 gauge needle or smaller to collect the specimen.,
C. Allow the tube to stand for 20 minutes prior to processing.,
D. Gently invert the tube after collecting the specimen.
D. Gently invert the tube after collecting the specimen.
Which of the following types of additives is present in an EDTA tube?
A. anticoagulant,
B. clot activator,
C. gel separator,
, D. antimicrobial
A. anticoagulant
Which of the following tubes should the medical assistant select in collecting a
blood sample for a Complete Blood Count (CBC)?
A. red top, no additive,
B. blue top, sodium citrate additive,
C. lavender top, ethylenediaminetetraacetic acid additive,
D. green top, lithium heparin additive
C. lavender top, ethylenediaminetetraacetic acid additive
A patient is at the lab for their weekly PT/INR. Which of the following tubes should
the medical assistant collect for this test?
A. red top,
B. lavender top,
C. light blue top,
D. green top
C. light blue top
A phlebotomist is staffing the outpatient clinic at a remote site. There is a
centrifuge at the site, but it is not functional. The courier will be arriving to pick-
up all samples collected at 1300, and will deliver to the testing laboratory at 1500.
A patient arrives at 1200 with orders for Complete Blood Count, Prothrombin
Time, and Basic Metabolic Panel. Which tubes should the phlebotomist use for
blood collection?
