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Venipuncture 6/11
Finals
Question | Answer |
---|---|
What size needle usually used in vacutainer holder system | 21 G 1-1 1/2" needle |
What does vacutainer system mean | Air has been sucked out of tube so blood can be sucked in while drawing |
What is serum | liquid portion the blood without the clotting factor |
What type of property does the gel in the serum separator have | Thixotropic |
What does thixotropic mean | Liquify when aggitated or heated |
Antecubital space | The area of the forearm most frequently used in venipuncture |
Anticoagulant | A substance that inhibits blood clotting |
Artery | Blood vessel that carries blood away from the heart |
Asepsis | Absence of any harmful microorganisms |
Buffy Coat | A thin, light-colored layer of white blood cells and platelets that lies between a top layer of red blood cells when an anticoagulant has been added to a blood specimen |
Contamination | Introduction of disease producing organisms into or on normally sterile agents |
Fibrinogen | A protien found in plasma which aids in clotting |
Hematoma | A swelling or mass of coagulated blood caused by a break in a blood vessel |
Hemolysis | The breakdown of blood cells |
70% Isopropyl alcohol | Antiseptic solution capable of preventing growth of microorganism |
Median Basilic | Large vein of the antecubital space most commonly used for drawing blood |
Plasma | The liquid part of blood |
Serum | The liquid part of blood from which the clotting factor fibrinogen has been removed |
Sterile | Free of all living organisims, harmful and non-harmful |
Syringe | Apparatus made of plastic which is fitted to a metal needle, and consists of a barrel and a fitted plunger |
Tourniquet | A constrictor used ti distend the veins for venipuncture |
Vacutainer Method | Method of venipuncture using a two way needle. One end is used for the venipuncture, the other is attached to the rubber stopper of a vacuum tube in which the blood is collected. |
Vein | Blood vessel that carries blood toward the heart |
Venipuncture | Puncturing of a vein to remoove blood or insert fluids |
Why is hand-hygiene important during venipuncture | To prevent contamination |
How do you make sure that you have the correct patient | Ask name and DOB |
How do you palpate vein | Horizontally |
What do veins feel like | Rubbery or spongy |
How can you make a vein more prominent | Tourniquet, pump fist, tap, warm compressions, hold arm down below heart |
What vein is most commonly used | median cubidian area |
Where is the median cubidal vein located | antecubital area |
The____vein is avoided due its proximity to the______artery and______nerve | Basilic-brachial-median |
The besst veins to draw from are the ones that you can________ | feel |
70% isopropyl_____is applied in a_____motion from_____ to______ and must remanin on the skin_____; it is used to _______ reproduction of __________ | Alcohol- circular- inner- outer- until dry- inhibit- bacteria |
Isopropyl alcohol is not used for | Alcohol allergy, Blood alcohol level, Blood culture |
What position should the needle tip and bevel be in when you puncture the vein | bevel up tip down |
What angle is typically used for inserting the needle into the skin | 15 degrees |
What is the correct tourniquet placement | 1-2 inches above site |
Why is the physiologic reason for pulling the skin taut | Anchors the vein |
What do we call a tube that is not filled to exhaustion | short draw |
Why is order of draw important | to prevent contamination |
The most important aspect to watch during a procedure | the needle |
How do you invert a tube of blood | gently |
How long should you observe the VP site before applying gauze and tape | 5-10 seconds |
What information is charted in patient chart | Date, time, what was drawn, sent to lab, MA name |
What do you do if needle comes out | pull taut and go back in |
What do you do if you accidentlly puncture an artery | Remove tourniquet, remove tube, remove needle, apply pressure |
How would you know if you punctured an artery | Bright red, pulpating |
What pathogens can be contracted from a needle stick injury | HIV, Hepatitis B, Hepatitis C |
What is hemotoma | accumalation of blood under the skin |
How do you avoid hemotoma | Do not leave tourniquet on longer than 1-2 minutes |
What is hemolysis | ruptured cells |
What is petechiae | small pinpoint hemorrhage |