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45 Cards in this Set
- Front
- Back
Sodium Flouride prevents ______? |
glycolysis
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Red top tubes can be used to collect _______?
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serum specimens |
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A tourniquet is used in venipuncture to ______?
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find and enter veins more easily
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When you are performing a routine venipuncture, you would use ___________ as an antiseptic.
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70% isopropyl alcohol
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The smaller the number of the gauge of the needle, the _________ the diameter.
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larger
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Premeasured tube vacuum causes evacuated tubes to __________________.
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fill with blood automatically
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Lavender top tubes are primarily used to perform _____________ tests.
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hematology
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A butterfly needle is used for drawing blood from _________________________________.
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difficult and hand veins
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RST stands for _________________.
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Rapid Serum Tube
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Blood in _________ tubes normally clot within 5 minutes.
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RST
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Hydrogen peroxide is a ________.
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biocide
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Turn your wrist back and forth at _____ degrees when mixing an additive.
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180
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royal-blue top tubes are __________________.
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trace element free
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a clot activator is _____________?
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a substance that helps to enhance coagulation in tubes used to collect serum specimens
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the most common antiglycolytic agent is
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sodium flouride |
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an antiglycolytic agent
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is a substance that prevents glycolysis |
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glycolysis is ________
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the breakdown or metabolism of glucose (blood sugar)
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oxalates
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remove calcium and prevent clotting
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potassium oxalate
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is most commonly used in gray top tubes
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Heparin is the additive in
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Green and Light Green top tubes
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Heparin
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prevents clotting by inhibiting thrombin
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The ratio for light blue top tubes is ________.
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9:1 or 90%
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EDTA is the additive in
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lavender (purple) top tubes and pink top tubes
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Citrates prevent _____________ by binding or chelating calcium
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coagulation
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Sodium citrate is __________________________.
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the most common citrate
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ECHO stands for
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E (EDTA) C (citrate) H (heparin) O (oxalate) the most common anticoagulants |
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additive tubes must be inverted ___ to ___ times immediately after collection
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3 to 10 times
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anticoagulants are substances that ____________.
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prevent the blood from clotting |
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Most _____ tubes contain some type of additive
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ETS tubes (evacuated tube system)
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tube selection is based on
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vein condition, amount of blood required, and age of the patient
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The standard size for venipuncture needles used in routine venipuncture is ________ guage
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21 guage
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a device used to compress the veins and restrict blood flow
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tourniquet
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NPO means _______.
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non per os or "nothing by mouth"
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Information needed for a requisition includes:
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ordering physicians name, patients full name, and type of test being ordered
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A member of the clergy is with the patient when you go to draw blood. What do you do?
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Come back when the clergy member has left
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you notice that an inpatient is not wearing an ID band when you go to collect blood, so you ___________.
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Ask the patient's nurse to put an ID band on the patient to confirm the patients identity before blood draw
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Should a patient refuse to have their blood collected, you should ______________.
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Inform the patient's nurse or physician
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You go to collect for a fasting glucose and notice the patient has eaten, you should ____________.
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consult with the patient's nurse or physician to see if the you should follow through with the collection
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You collect blood from a patient that did not fast when ordered, you should write ___________ on the tube.
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"non-fasting"
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label the collection tube _______________
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immediately after blood collection
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a tourniquet should be released within
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one minute
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when dealing with an elderly adult patient, you should ________________________.
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apply adequate pressure to the site of the draw until bleeding stops
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when collecting blood from a child you should never tell them, what?
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that it will not hurt
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When a patient admits to having a needle phobia, it is best to ________________.
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Let someone more experienced collect the blood
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