Phlebotomy Flashcards
You are asked to draw blood for
reticulocyte count.What tube do you use?
A. Red
B. Green
C. Lavender
D. Blue
C. Lavender
What additive is in the yellow sterile
tube?
SST or SPS
The single most important means of
preventing spread of infection?
Hand washing
Which of the following is the purpose of
warming infants prior to a heel puncture?
A. To increase flow of blood
B. To decrease flow of blood
C. To soften
D. All of the above
A. To increase flow of blood
When should blood specimen
labeled?
After collection in patients room
most important step in
venipuncture?
Identifying the patient name
Which of the following is the safest
area for infant heel puncture?
A. Area of arch
B. Central area
C. Lateral plantar surface
D. Posterior curvature
C. Lateral plantar surface
Choose the correct order of draw
A. SST, Red, Non additive, Gray, Blue
B. SPS, Blue, Red, Green
C. SPS, Blue, Lavender, Gray
D. Blue, Lavender, Blue Gray
C. SPS, Blue, Lavender, Gray
What is the maximum recommended depth of heel puncture according to NCCLS?
2.0mm
A student in a hurry does not wait for
the site on the skin cleaned with antiseptic to dry before probing the phlebotomy site about 8 times with too
small needle before finally managing to get blood by using a syringe and drawing back forcefully on the plunger. Which of
the following specimen is most likely to be the cause?
A. Hemoconcentration
B. Elevation in WBC count
C. Clotting
D. Hemolysis
D. Hemolysis
In performing venipuncture in a 85
year-old woman with Cushing syndrome, a hematoma forms. Correct statements
regarding this phenomenon include the
following EXCEPT:
A. Test result may be affected when blood is drawn from a hematoma
B. Elevation in WBC count
C. If another venipuncture site is
unavailable, draw distally from the
hematoma
D. Remove the needle before removing the tourniquet to prevent hematoma formation
D. Remove the needle before removing the tourniquet to prevent hematoma formation
A light gray stopper tube contains
sodium fluoride. Which of the following is the most likely mechanism of action of sodium fluoride?
A. Inhibit glycolysis
B. Activate thrombin to promote clotting
C. Form calcium salts to remove calcium
D. Inactivate complement
A. Inhibit glycolysis
When collecting blood for laboratory
testing, which of the following procedures should NEVER be done?
A. Wait for venipuncture site to dry after
cleansing
B. Draw blood for microbial culture test
C. Pour blood from a purple top to light
blue top tube
D. Send a partially filled red or light-green top tube to the laboratory
C. Pour blood from a purple top to light
blue top tube
The phlebotomist is about to perform
venipuncture on a patient who had a
mastectomy on the right side. Please
mark the precautions that ought to be
observed for this patient.
A. The phlebotomists should avoid the
right arm
B.The phlebotomists should keep the
patient in flat position
C. There are no special precautions for this situation.
A. The phlebotomists should avoid the
right arm
Please mark one of the following that
is NOT considered a requirement for a
quality of specimen
A. Right patient,right specimen, right tube, right test, right label.
B. Non-hemolyzed specimen
C. Non-clotted specimen (when
anticoagulant additive is used)
D. Specimen transported to a lab within two hours of collection. (1 hour
only/immediately)
D. Specimen transported to a lab within two hours of collection. (1 hour
only/immediately)