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Chapter 7
Blood Collection Equiptment, Additives, and Order of Draw
Question | Answer |
---|---|
blood to additive ratio for a light blue tube | 9 to 1 |
needle gauges smallest to largest | 23g smallest, 18g = largest |
green stopper additive | heparin |
antiglycolytic agent function | preserves glucose |
used to clean site | antiseptic alcohol |
if tourniquet is soiled | throw it away |
how to choose needle gauge | age, size and condition of veins |
lavender stopper additive | Ethylenediaminetetraacetic acid (EDTA) |
particles in red plastic tubes cause what | makes coagulation faster |
what does heparin do | inhibits thrombin which prevents clotting |
disinfectant types | sodium hypochlorite (household bleach) large spill 1/100, small spill 1/10 |
bevel | slanted, facing up |
EDTA, Heparin and Sodium Citrate sterile SPS (draw of order using syringe) | first light blue (sodium citrate), last Lavender (EDTA) |
light blue, lavender and gray top additives | light blue- sodium citrate, lavender- EDTA, gray- sodium fluoride |
rapid serum additive | thrombin |
additive that has the most carryover problems | ethylenediaminetetraacetic acid (EDTA) |
biocides | alcohol, peroxide and iodine |
order/color of draw for hematology, coagulation and stat chemistry test | hematology, coagulation and chemistry stat |
needle for small veins | winged infusion blood collection set (butterfly) |
disinfectant | kills bacteria |
platelet activation substances | increases surface for platelet activation |
blood transfer device | transfers blood safely |
how do phlebotomy tubes fill | vacuum |