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Phlebotomy

Phlebotomy, venipucture and, capillary puncture

QuestionAnswer
What is the order of blood draws? 1. Blood cultures 2.Citrate 3.Serum Seperator Tube 4.Heparin 5.EDTA 6.Oxalate/Sodium Flouride
What do you put on a tube after you draw the blood? pt. name, pt ID or date of birth, date of draw, time of draw, initials
What are the 3 veins you take blood from in the arm and in what order should you perfer? 1.Median Cubital Vein 2.Cephalic Vien 3.Basilic Vein
What are 3 blood draw complications? Fainting, Hematoma, Nausea and Vomiting, Hyperventilation
What areas of the body produce blood cells? Bone marrow, lymph nodes, thymus, and spleen
What is the function of blood? To carry oxygen to body tissues and to remove the waste products(carbon dioxide)
How much blood do we have in our bodies? 6L
What are the different types of blood collection methods? Vacuum tube, butterfly assembly, and Syringe
What does Potassium oxalate do? Binds calcium
What does Flouride do? Inhibits glycolysis
What does Sodium citrate do? Binds calcium
What does EDTA do? Binds calcium
What does lithium heparin do? Inhibits prothrombin to thrombin
What does Thrombin do? Promotes speedy clot formation
What does Sodium polyanetholesulfonate do? Binds calcium
what does Ammonium heparin do? inhibits prothrombin to thrombin
If you are right handed what side should your equipment be? left
What is the angle of venipucture? 15% to 30%
What do additives do? improve the quality of the specimen or accelerate specimen processing
What does the gel do? in centrifuge the gel changes to a liquid and moves up to create a barrier between the blood cells or clot and the liquid portion of the blood.
When using a blood pressure cuff what how high do you set it? slightly below the diastolic pressure
what is the gauge of a butterfly needle? 21 to 23 gauge
what are the 9 factors affecting laboratory results? Blood alcohol, diurnal rhythm, exercse, fasting, hernolysis, heparin, stress, tourniquet on too long, volume.
What is diurnal rhythm? Some specimens must be drawn at timed intervals becuase of medication or diurnal(daily) rhythm. The exact time of collecttion must be noted on the specimen.
What is hemolysis? Destruction of red blood cell membrane and release of intercellular contents into serum/plasma can be caused by not allowing alcohol to air-dry at venipuncture site, using a needle that is too small, ect.
What is heparin in factors affecting laboratory results? Incorrect heparin used that interferes with tests being run on patients.
what is the color of blood cultures? yellow
what is the color of citrate? light blue
what is the color of heparin? green, light green
what is the color of serum seperator tube? red, gold, tiger top
what is the color of EDTA lavender
what is the color of oxalate/sodium flouride? gray
What is the order of areas that you may get blood from? antecubital region, around the arm, back of hand, wrist, foot.
what areas of the body do you need to get premission from the physician before you can take blood from that area? foot and legs
What is the usual size of syringes used in venipuncture? 5 to 10ml
When are sixteen gauge needles often used for blood draws? at the blood bank
What is a multidraw needle? it is a double ended needle that has a rubber sheath over the end that goes into the vacuum tube.
What is the process fo clotting? uncoagulated blood, calcium utilized, prothrombin converts to thrombin, fibrinogen converts to fibrin, clot forms.
Created by: Seanmorrone
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