NHCO Phlebotomy Exam
NHCO PHLEBOTOMY EXAM NEWEST 2025/2026 COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |BRAND NEW VERSION!!
To avoid damaging test results, a tourniquet should not be left on a patient's arm
longer than:
a. 30 seconds
b. 180 seconds
c. 60 seconds
d. 90 seconds
c. 60 seconds
According to OSHA requirements, a phlebotomist must replace a sharps container:
a. When the container has an uncapped needle inside
b. When it is too full to add other contaminated needles
c. When the container is two-thirds full
d. When the technician has discarded all lancets into metal trash bins
c. When the container is two-thirds full
The needle should be inserted into the arm with the bevel facing in which
direction?
a. Downwards
b. Towards either side
c. Upwards
d. It makes no difference which direction the bevel is facing
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, NHCO Phlebotomy Exam
c. Upwards
Why should a phlebotomist not transfer a specimen to a different labeled tube if
they accidentally mislabel the first collection tube?
a. Because the laboratory will process it either way; it is a waste of time and
resources
b. Because the phlebotomist should just notify a supervisor and they will take care
of the mislabel
c. Because the laboratory personnel will change the information on the label
d. Because the collection tube already has a specific measured of additive that
could be altered if the specimen was transferred into another tube
d. Because the collection tube already has a specific measured of additive that
could be altered if the specimen was transferred into another tube
Which piece of information is critical for a phlebotomist to document when
following a Chain of Custody guideline?
a. Identifying the patient's next-of kin
b. Identifying everyone who has possession of the specimen
c. Identifying the CLIA protocol that was breached
d. Identifying the lawyers involved
b. Identifying everyone who has possession of the specimen
What is the process by which blood vessels repair after injury?
a. Hemodialysis
b. Hemodynamics
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, NHCO Phlebotomy Exam
c. Hemolysis
d. Hemostasis
d. Hemostasis
Which of the following samples would be best for the determination of blood
acidity and blood gases?
a. Capillary blood
b. Arterial blood
c. Venous blood
d. Cerebrospinal fluid
b. Arterial blood
The most frequently occurring nosocomial (clinical setting acquired) infection for
laboratory employees is which of the following?
a. Human immunodeficiency virus
b. Hepatitis A virus
c. Hepatitis C virus
d. Hepatitis B virus
d. Hepatitis B virus
When drawing blood from a patient who has pneumonia, which PPE provides the
BEST protection for a phlebotomist?
a. Mask
b. Gown
c. Double gloves
d. Goggles
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, NHCO Phlebotomy Exam
a. Mask
What term best describes a red blood cell that bursts because the plasma that
attached to it was not a match?
a. Rhesus
b. Fibrinolysis
c. Agglutination
d. Prothrombin
c. Agglutination
When drawing blood from a patient who has active tuberculosis, which PPE
provides the best protection for a phlebotomist?
a. Double gloves
b. Gown
c. N95 respirator
d. Surgical mask
c. N95 respirator
Which of the following is the total blood volume of an infant who weighs 3.3 kg
(7.3 lb)? (Refer to latrogenic Anemia in the Glossary for conversion information.)
a. 300 - 350 mL
b. 400 - 450 mL
c. 240 - 300 mL
d. 115 - 225 mL
a. 300 - 350 mL
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NHCO PHLEBOTOMY EXAM NEWEST 2025/2026 COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |BRAND NEW VERSION!!
To avoid damaging test results, a tourniquet should not be left on a patient's arm
longer than:
a. 30 seconds
b. 180 seconds
c. 60 seconds
d. 90 seconds
c. 60 seconds
According to OSHA requirements, a phlebotomist must replace a sharps container:
a. When the container has an uncapped needle inside
b. When it is too full to add other contaminated needles
c. When the container is two-thirds full
d. When the technician has discarded all lancets into metal trash bins
c. When the container is two-thirds full
The needle should be inserted into the arm with the bevel facing in which
direction?
a. Downwards
b. Towards either side
c. Upwards
d. It makes no difference which direction the bevel is facing
1|Page
, NHCO Phlebotomy Exam
c. Upwards
Why should a phlebotomist not transfer a specimen to a different labeled tube if
they accidentally mislabel the first collection tube?
a. Because the laboratory will process it either way; it is a waste of time and
resources
b. Because the phlebotomist should just notify a supervisor and they will take care
of the mislabel
c. Because the laboratory personnel will change the information on the label
d. Because the collection tube already has a specific measured of additive that
could be altered if the specimen was transferred into another tube
d. Because the collection tube already has a specific measured of additive that
could be altered if the specimen was transferred into another tube
Which piece of information is critical for a phlebotomist to document when
following a Chain of Custody guideline?
a. Identifying the patient's next-of kin
b. Identifying everyone who has possession of the specimen
c. Identifying the CLIA protocol that was breached
d. Identifying the lawyers involved
b. Identifying everyone who has possession of the specimen
What is the process by which blood vessels repair after injury?
a. Hemodialysis
b. Hemodynamics
2|Page
, NHCO Phlebotomy Exam
c. Hemolysis
d. Hemostasis
d. Hemostasis
Which of the following samples would be best for the determination of blood
acidity and blood gases?
a. Capillary blood
b. Arterial blood
c. Venous blood
d. Cerebrospinal fluid
b. Arterial blood
The most frequently occurring nosocomial (clinical setting acquired) infection for
laboratory employees is which of the following?
a. Human immunodeficiency virus
b. Hepatitis A virus
c. Hepatitis C virus
d. Hepatitis B virus
d. Hepatitis B virus
When drawing blood from a patient who has pneumonia, which PPE provides the
BEST protection for a phlebotomist?
a. Mask
b. Gown
c. Double gloves
d. Goggles
3|Page
, NHCO Phlebotomy Exam
a. Mask
What term best describes a red blood cell that bursts because the plasma that
attached to it was not a match?
a. Rhesus
b. Fibrinolysis
c. Agglutination
d. Prothrombin
c. Agglutination
When drawing blood from a patient who has active tuberculosis, which PPE
provides the best protection for a phlebotomist?
a. Double gloves
b. Gown
c. N95 respirator
d. Surgical mask
c. N95 respirator
Which of the following is the total blood volume of an infant who weighs 3.3 kg
(7.3 lb)? (Refer to latrogenic Anemia in the Glossary for conversion information.)
a. 300 - 350 mL
b. 400 - 450 mL
c. 240 - 300 mL
d. 115 - 225 mL
a. 300 - 350 mL
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