order of the draw Ans: yellow, light blue, red, green, lavender, and grey
additives found in yellow top tubes Ans: SPS (sodium polyanethol sulfonate), or acid citrate
dextrose
additives found in light blue top tubes Ans: SODIUM CITRATE
additives found in red top tubes Ans: NONE
additive found in green top tubes Ans: SODIUM HEPARIN, LITHIUM HEPARIN, AND
AMMONIUM HEPARIN
additive found in lavender top tubes Ans: EDTA
additive found in grey top tubes Ans: SODIUM FLUORIDE / POTASSIUM OXALATE /
HEPARIN
additive found in royal blue top tubes Ans: NONE / SODIUM HEPARIN / EDTA
deliver lavender top tubes to this department Ans: HEMATOLOGY
deliver grey top tubes to this department Ans: CHEMISTRY
deliver gold top tubes to this department Ans: CHEMISTRY
deliver yellow top tubes to this department Ans: MICROBIOLOGY
deliver CBG test to this department Ans: CHEMISTRY
filling tubes in the wrong order can result in Ans: CONTAMINATION OF A SPECIMEN DUE
TO ADDITIVE CARRYOVER
standard needle gauge for venipuncture Ans: 21g
coagulation dept runs these tests Ans: PT / APTT / PTT
time needed for blood clotting in a tube containing no additive Ans: 30 - 60 mins
veins are anchored in order to Ans: prevent the vein from rolling
royal blue top tubes are used to collect Ans: toxicology and traced metal specimens
, 21g - 22g needles are used for Ans: routine venipuncture
the proper order of vein selection Ans: MEDIAN CUBITAL / CEPHALIC / BASILIC
reasons to allow alcohol to dry completely before needle insertion Ans: puncture will sting less,
hemolysis is less likely to occur, evaporation process helps destroy microbes
improper cleaning of venipuncture site can cause Ans: INFECTION
second choice vein, more visible on obesse patients Ans: CEPHALIC VEIN
tourniquets should never Ans: tied over open sores (causes infection) / tied too tightly (cuases
petechiae) / left on longer than one minute (causes hemoconcentration)
to properl anchor a vein Ans: pull the skin taut with your thumb, below the tube holder
butterfly and syringe needles may be used Ans: on small frail veins such as those in children and
geriatric patients
types of needles used for phlebotomy Ans: hypodermic needle / multisample needle / winged
infusion (butterfly)
yellow top tubes are used to collect Ans: Blood culture specimens
during venipuncture the needle is inserted at Ans: a 15 - 30 degree angle with the bevel up
lavender top tubes are used to collect Ans: CBC specimens
when identifying a patient in the hospital seeting always Ans: check the patients ID band / ask
the nurse the patients name / ask the patient to state his or her name
after venipuncture pressure should be applied Ans: for at least 5 mins prior to bandaging
phlebotomist should avoid the basilic vein because Ans: it lies near a major nerve and near the
brachial artery and is more painful when punctured
glucose tesst are collected in Ans: grey top tubes
types of anticoagulants include Ans: sodium citrate, EDTA, sodium heparin, lithium heparin and
ammonium heparin
thixotropic gel found in light green tubes is a Ans: coagulant
the easiest veins to anchor Ans: median cubital veins
tubes containing anticoagulants Ans: prevent clotting