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Phlebotomy
Question | Answer |
---|---|
order of draw | yellow light blue red gold/red marbled-sst green lavender gray |
yellow | additive- sterile test for blood cultures |
light blue | additive-sodium citrate (prevents hemolysis) coagulation (PT,PTT) |
red | no additive chemistry, yields serum |
SST | additive- serum separator gel serum, lipid panel, triglyceride |
green | additive-heparin (prevents clotting; blood thinner) ammonia/chemistry/ yields plasma |
Lavender | additive-EDTA hematology, CBC, hgb A1C |
Gray | additive- sodium fluoride/potassium Oxalate Glucose, Blood alcohol |
the order of draw for a phlebotomy collection is followed to avoid ________ | insufficient collection volume |
what instruction should be given to a patient in preparation for collecting a urine sample that will be cultured? | the specimen requires collection in a sterile container. |
what should a phlebotomist provide to a patient before performing a blood draw? | Contact the provider for test results. |
a phlebotomist should avoid using a site with burned skin during venipuncture for the risk of what? | inaccuracy of lab results |
quality control testing of a glucometer is important because it _________ | promotes accurate |
This tube has an additive that removes calcium to prevent clot formation | Light blue |