BldCollectionEquip, Additives&OrderofDraw
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| What is the proper blood-to-additive ratio for a light-tube collected for a coagulation test? | 9:1
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| Of 18, 20, 21, & 22, which needle gauge has the largest lumen? | 18
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| The tests performed in the this department are typically collected in a tube with a light-blue stopper | Coagulation
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| A tube with a green stopper normally contains | oxalate
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| What is purpose of an antiglycolytic agent? | to preserve glucose
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| What is the solution normally used to clean the site before routine venipuncture? | 70% isopropanol
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| When nitrile or vinyl strap tourniquets become soiled with blood, it is best to do what? | throw them away
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| What is the most important factor in choosing which gauge needle to use for venipuncture? | Size and condition of the vein
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| Which additive is usually present in a tube with a lavender stopper? | EDTA
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| Glass particles present in serum separator tubes do what? | enhance clotting
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| What is classified as a disinfectant? | .Sodium hypochlorite
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| What is the slanted tip of the needle that enters the vein called ? | the bevel
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| According to CLSI standards, which tube is filled last when using a syringe? | EDTA
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| When using a winged infusion blood collection set, if the first tube is an additive tube, it is important to collect a few milliliters of blood into a nonadditive tube first to do what? | maintain proper blood-to-additive ratio
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| A phlebotomist collects a light-blue-top, lavender-top, and gray-top tube from an inpatient. Respectively, which of the following additives do the tubes most likely contain? | Sodium Citrate, EDTA, sodium fluoride
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| What does a rapid serum tube contain? | thrombin
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| The tube additive that is responsible for the most carryover problems is what? | ethylenediaminetetraacetic acid (EDTA)
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| Name a biocide | Hydrogen peroxide
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| Name a biocide | Isopropyl alcohol
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| Name a biocide | Povidone iodine
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| If you need to collect a routine hematology test, a coagulation test, and a stat chemistry test, what color top tubes you would most likely use, listed in the correct order of draw? | Light-blue-top, green-top, purple-top
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| What is an inert synthetic substance that forms a physical barrier between the cells and serum or plasma of a specimen? | thixotropic gel
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| What is a type of needle used to collect blood from small or difficult veins? | Butterfly or winged infusion set
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| A substance used to kill bacteria on surfaces and instruments is known as what? | a disinfectant
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| Substances that provide increased surface for platelet activation are known as what? | clot activators
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| Why will evacuated tubes fill with blood automatically? | because a vacuum exists in the tube
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| Citrate prevents clotting by what means? | binding calcium
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| What gauge multisample needle is considered the standard needle for routine venipuncture? | 21
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| A needle that does not have a safety feature must be used with what | a holder that has a safety feature
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| The BD tan stopper tube contains what? | EDTA
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| The BD tan stopper tube is used to collect what analyte? | lead
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| What is the safest way to transfer blood from a syringe? | use a syringe transfer device
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