Problems & Corrections
Why should the phlebotomist avoid collecting a CBC from a crying infant?
WBC's may be elevated
A lipid test has been ordered for a patient, but the
patient had a cup of black tea at 0400. Which of the
following is the earliest time the test can be
completed?
1600
Which of the following tubes contains an
anticoagulant that prevents platelets from
clumping and preserves the appearance of blood
cells for microscopic prep?
Lavender
A large open container of isopropyl alcohol is spilled on the floor in the clinic waiting area. The phlebotomist should use which of the following resources for information about the chemical and any necessary procedure>
MSDS (Medical Safety Data Sheet)
Which needle size and type is the best choice for a
patient with thin skin and extremely fragile veins?
winged infusion 23g ¾”
Which of the following tubes must be filled to at least 90% for a single test?
Light Blue
Collection of a CBC specimen on a crying child can
lead to an increase in which of the following cells?
Leukocytes
Which of the following tubes contains an
sodium citrate for coagulation?
light blue
A phlebotomist in a doctor’s office needs to perform a venipuncture on a patient who has been diagnosed with Severe Acute Respiratory Syndrome. Which of the following is the transmission based precaution the phlebotomist must take?
Droplet
Which of the following is likely to happen to the
specimen if the phlebotomist does not invert a
lavender top tube 8 to 10 times?
Clots will form
Which of the following is a likely complication from repeated phlebotomy procedures in the same area?
Sclerosed veins
When performing a capillary puncture on an infant,
which of the following is the preferred site?
Lateral or medial plantar surface of the heel
what information needs to be put on the tube label?
Pt’s DOB
Pt’s first and last name
Date and time of collection
Upon arriving to work the phlebotomist notices all the sharp containers are full. The phlebotomist should
put the containers in a biohazard container and
replace.
Which of the following anticoagulant tubes also
contains an antiglycolytic agent?
Potassium oxalate
When a blood sample comes first in the order of draw?
blood cultures
While drawing a blood culture with a winged
infusion set the phlebotomist should cleanse the
area with
betadine, and draw the aerobic followed by
the anaerobic.
Which of the following is an example of a pre-
analytical error made at the time of collection?
Failing to mix tubes
Before drawing a patient the phlebotomist notices
a droplet of dried blood on the arm of the
phlebotomy chair. Which of the following should
the phlebotomist do?
Use disinfectant to moisten the droplet,
absorb with paper towel, then clean with
disinfectant.
Inadequate mixing of an anticoagulant tube is likely to result in
Microclotting
The phlebotomist realizes after finishing the collection that she/he has missed a tube needed for testing. Which of the following corrective actions should the phlebotomist take?
Inform the patient and perform a second collection of the missing tube.
Which of the following is an appropriate capillary
puncture site on a 15-month-old patient?
Distal segment of the middle finger
Which tube contains acid citrate dextrose for blood bank use?
light yellow
OSHA requires that a sharps container be changed when
it is ¾ full.
Which of the following tubes is recommended for
STAT serum testing?
Orange