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63 Cards in this Set

  • Front
  • Back
What color is used to identify blood collection tubes containing citrate?
light blue
How does citrate keep blood from clotting?
it binds calcium
what laboratory test require blood collected in citrate tube?
coagulation
why is it important to allow citrate tube to fill completely?
less than full can change the results
what position in order of draw is the citrate tube?
second after sterile
why citrate not available for microcollection?
because coagulation process is activated during dermal puncture
What color tubes contain EDTA used by hematology?
lavender
What does EDTA stand for?
ethylene diamine tetra acetic acid
How does EDTA prevent blood from clotting?
it binds with calcium
what tests require blood collected in an EDTA tube?
hematology
What position is lavender EDTA tubes collected?
after green heparin
what position in microcollection is the EDTA?
first during capillary puncture
what color is EDTA used by the blood bank?
pink
why is pink EDTA tube used by the blood bank
label contains lines for additional info. required by AABB
what tests does transfusion service section of the blood bank perform on pink EDTA tubes?
blood bank
what position in order of draw is pink EDTA collected?
after lavender EDTA
which position in order of draw for microcollection is pink EDTA
after lavender
what color is used for blood tubes containing heparin
green
how does heparin keep blood from clotting
by inactivating thrombin
what test required blood collected from heparin tube?
chemistry
what position in order of draw are heparin tubes
after SST and PST
what position in microcollection should heparin be collected
after EDTA tubes
what color is used for tubes that are plastic and do not contain additives or are glass and contain a clot activator?
red
what color tubes besides red do not contain any additives?
red/grey, or clear/red
what tests require blood collected in tubes without additives
chemistry
what position in order of draw are red tubed collected
after citrate tubes
what position in order of draw are microcollection red tubes collected
last
what colors are used to identify PST collection tubes?
green mint or black marbled
what does PST stand for?
plasma separating tube
what is the purpose of thixotropic gel?
to separate cells from plasma during centrifugation
what additive is present in PST tubes?
heparin
what laboratory tests require blood collected in a PST tube?
chemistry
what position in order of draw are PST tubes collected?
after serum separator
which position in order of draw for microcollection are PST tubes collected
after green heparin
why is tube available in amber
?
to keep out light
what colors are used to identify SST blood collection tubes?
gold or red/black marbled
what does SST stand for?
serum separator tube
what is the purpose of thixotropic gel?
when centrifuged it forms a barrier between the serum and the cells
what additive is present is SST tubes?
serum separator gel and clot activator
what test are performed on blood collected in SST tubes?
chemistry
what position in the order of draw are SST tubes collected?
after non-additive
which position in the order of draw are microcollection SST tubes drawn?
after the grey tubes and just before non-additive
why is microcollection tube available in amber?
when specimen needs to be protected from light
what color is used for tubes containing sodium fluoride and potassium oxalate?
grey
what is the purpose of sodium fluoride
preserves glucose
what is the purpose of potassium oxalate?
prevents clotting by binding calcium
what tests are performed on grey tubes?
chemistry/alcohol, glucose, lactate
which position on order of draw is the grey tube?
last
which position in microcollection is the grey tube
after PST and before SST
what color is used for tubes containing SPS or ACD?
yellow
what does SPS stand for?
sodium polyanethol sulfonate
what blood tests are performed on SPS tubes?/
microbiology/blood bank
what does ACD stand for?
acid citrate dextrose
what blood test are performed on blood collected in yellow ACD tubes?
microbiology/blood bank
what color is used to identify lead-free blood collection tubes?
tan
what additive is present in tan lead-free tubes
EDTA
what tests are performed on tan lead-free tubes
chemistry/lead
what color is used for trace element-free blood collection tubes?
royal blue
what additive is present in trace element-free blood collection tubes?
EDTA
what lab tests are performed on royal blue tubes
chemistry/ trace elements
what color is used to identify blood collection tubes containing thrombin that have a splash guard cap
orange
what is the purpose of thrombin
to promote quick clot formation
what laboratory tests are performed on blood collected in orange tube
chemistry/STAT