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PE Ch 7

Phlebotomy Essentials Ch 7

QuestionAnswer
ACD Additive used for immunohematology tests such as DNA and HLA typing
Additive Substance added to a blood collection tube
Anticoagulant Substance that prevents blood from clotting
Antiglycolytic agenct Additive that prevents the breakdown of glucose by the cells
Antiseptics Substances used for skin cleaning that inhibit the growth of bacteria
Bevel Point of needle that is cut on a slant for ease of skin entry
Butterfly needle Winged infusion blood collection set
Clot activator Coagulation-enhancing substance, such as silica
Disinfectant Solutions used to kill microorganisms on surfaces and instruments
EDTA Anticoagulant that preserves cell shape and structure and inhibits platelet clumping
ETS Abbreviation for the collection system typically used for routine venipuncture
Evacuated tube Premeasured vaccum tube that is color-coded based on its additivie
Gauge Number that is related to the diameter of the needle lumen
Glycolysis Breakdown or metabolism of glucose by blood cells
Heparin Anticoagulant that inhibits the formation of thrombin
Hub End of the needle that attaches to the blood collection device
Hypodermic Needle Type of needle used when collecting blood with a syringe
Lumen Internal space of a vessel or tube
Multisample needle Type of needle used to collect several tubes during a single venipunture, beveled needle on each end that screws into the holder. One end beveled and short end has a sleeve that retracts as the needle goes through the tube stopper
Order of draw Special sequence in which tubes are filled during a mulitple-tube draw
Potassium oxalate Anticoagulant commonly used with an antiglycolytic agent
PST Heparinized gel tube for separation of cells and plasma
Shaft Long culindrical portioin of a needle
Sharps conatiner Special puncture-resistant leakproof disposable container
Silica Clot activator
Sodium Citrate Anticoagulant commonly used to preserve coagulation factors
Sodium Flouride most common antiglycolytic agent
SPS Additive used in blood culture collection
SST Gel tube for seperation of cells and serum
Thixotropic gel Synthetic substance used to separate cells from serum or plasma
Winged infusion set Butterfly needle
Citrate, EDTA, Potassium oxalate Binds calcium (anticoagulant)
Most common skin antiseptic for routine blood collection 70% isopropyl alcohol
Results in Hemoconcentration the tourniquet if left in place for more than 1 minute
The smaller the gauge The larger the diameter of the lumen
Selection of evacuated tube depends on these factors age of patient, amount of blood needed for the test and the size and condition of the patient's vein
Short draw underfilled tube
Syringe transfer device allows the safe transfer of blood into the tubes without using the syringe needle of removing the tube stopper
Use this method of collection when the patient has small or difficult veins such as hand veins, veins for the elderly or pediatric patients winged infusion set (butterfly)
Lavendar tube contain EDTA, 8-10 inversions, hematology tests
Green tubes contain Heparin, 5-10 inversions, chemistry tests
gray tubes Potassium oxalate & sodium flouride, 8-10 inversions, antiglycolytic tests
Carry over transfer of additive from one tube to the next
prevent carry over and reflux by filling tubes so the blood fills in the bottom of the tube first, blood should not touch the stopper during filling
Created by: rslagter