Week 11- Phlebotomy procedures- Order of Draw Flashcards
Order of Draw
Stop Light Red Stay Put Green Light Go (sterile yellow, light blue, red, SSTiger top, Green, Lavender, Gray
Yellow Tube
Additive - SPS ; Used for- cultures of body/ blood fluid
Light Blue - INVERT?
Additive- Sodium Citrate; Used for- Coagulation studies; Invert 3-4 times
Red- INVERT???
Additive- NONE; Used for- whole blood collection that is allowed to clot; Invert 5 times
Gold/ Tiger Top
Additive- SST (serum separator gel) ; Used for- chemistry testing
Light Green- INVERT???
Additive- Heparin Used for- plasma samples; 8-10 timesss
Lavender
Additive- EDTA; Used for- blood cell components; cbc
Gray
Additive- Sodium Flouride & Potassium Oxalate; Used for-glucose and alcohol blood collection
Purpose of inverting an evacuated tube during ventipuncture?
Proper mixing of additive contained in the tube and the specimen
A CMA should allow a serum specimen to stand for what length of time to allow the specimen to clot before centrifuging?
45 mins
To divide a sample into one or more smaller portions is to ______ a sample
Aliquot
Correct way to aliquot a blood sample
Divide the sample into several using a pipette
When red blood cells burst, it is known as
hemolysis
Typical needle size for a butterfly draw is
25-26 gauge
Additives in draw tubes are either
anticoagulants (stop blood from clotting) or serum tubes (only used to test serum)