NHCO PHLEBOTOMY CORRECT EXAMS ANSWERS
AND QUESTIONS SET A+
✔✔Blood is classified based on the presence or absence of antigens on the surface of
what?
a. Thrombocytes
b. Erythrocytes
c. Leucocytes
d. Basophils - ✔✔b. Erythrocytes
✔✔How much blood is found in the average adult body?
a. 0.5 L
b. 5.0 - 7.0 L
c. 10.0 L
d. 90.0 gallons - ✔✔b. 5.0 - 7.0 L
✔✔In what order should a phlebotomist take the below steps when they are accidentally
stuck with a used needle?
a. Contact their supervisor, report for a medical evaluation, rinse the injured area with
water, then report for the HIV evaluation
b. Report for HIV evaluation first, then do the other steps in any order
c. Contact their supervisor, rinse the injured area with water, report for HIV evaluation,
then report for a medical evaluation
d. Rinse the infused area with water first, then do the other steps in any order - ✔✔d.
Rinse the infused area with water first, then do the other steps in any order
✔✔When taking a blood sample to measure the trough level of a medication, a
phlebotomist should:
a. Wait 24 hours after the last dose to take the sample
b. Take the sample immediately after the patient takes the medication
, c. Take the sample about 15 minutes before the patient receives the next dose of
medication
d. Wait 20-30 minutes after the last dose to take the sample - ✔✔c. Take the sample
about 15 minutes before the patient receives the next dose of medication
✔✔When a phlebotomist centrifuges blood in a Gray Top Tube containing an
anticoagulant, which is the resulting fluid portion?
a. Plasma
b. Serum
c. Nosocomial
d. Dehydration - ✔✔a. Plasma
✔✔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 - ✔✔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
AND QUESTIONS SET A+
✔✔Blood is classified based on the presence or absence of antigens on the surface of
what?
a. Thrombocytes
b. Erythrocytes
c. Leucocytes
d. Basophils - ✔✔b. Erythrocytes
✔✔How much blood is found in the average adult body?
a. 0.5 L
b. 5.0 - 7.0 L
c. 10.0 L
d. 90.0 gallons - ✔✔b. 5.0 - 7.0 L
✔✔In what order should a phlebotomist take the below steps when they are accidentally
stuck with a used needle?
a. Contact their supervisor, report for a medical evaluation, rinse the injured area with
water, then report for the HIV evaluation
b. Report for HIV evaluation first, then do the other steps in any order
c. Contact their supervisor, rinse the injured area with water, report for HIV evaluation,
then report for a medical evaluation
d. Rinse the infused area with water first, then do the other steps in any order - ✔✔d.
Rinse the infused area with water first, then do the other steps in any order
✔✔When taking a blood sample to measure the trough level of a medication, a
phlebotomist should:
a. Wait 24 hours after the last dose to take the sample
b. Take the sample immediately after the patient takes the medication
, c. Take the sample about 15 minutes before the patient receives the next dose of
medication
d. Wait 20-30 minutes after the last dose to take the sample - ✔✔c. Take the sample
about 15 minutes before the patient receives the next dose of medication
✔✔When a phlebotomist centrifuges blood in a Gray Top Tube containing an
anticoagulant, which is the resulting fluid portion?
a. Plasma
b. Serum
c. Nosocomial
d. Dehydration - ✔✔a. Plasma
✔✔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 - ✔✔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
