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Venipuncture Final
| Question | Answer |
|---|---|
| What is the difference between a serum tube and a plasma tube? | Serum has a clot and Plasma does not |
| What is in a blue tube and how many times do you invert it? | Sodium citrate- 3 to 4 times |
| What is in a gold tube and how many times do you invert it? | Serum separator tube- 5 times |
| What is in a red tube and how many times do you invert it? | None- 5 times |
| What is in a green tube and how many times do you invert it? | Heparin- 8 to 10 times |
| What is in a lavender tube and how many times do you invert it? | EDTA- 8 to 10 times |
| What is in a pink tube and how many times do you invert it? | EDTA- 8 to 10 times |
| What is in a gray tube and how many times do you invert it? | Potassium oxalate and sodium flouride 8 to 10 times |
| What do you do with a tube that contains an additive? | Invert |
| What parts of the vacutainer system are considered sterile? | needle and inside of tube |
| What does the serum separator do? | Thixatropic gel, when centrifuged seperates serum and clot |
| What information can be found on the vacutainer equipment label? | Additive, expiration date, sterile or not sterile |
| What is the guideline on the vacutainer holder and what is its purpose? | shows where you can place the tube with out losing pressure within the tube |
| What is the flange and its purpose? | Used for leverage to place and remove tubes |
| When is the tourniquet released with the vacutainer technique? | Last tube is 1/2 to 2/3 full |
| What does filled to exhaustion mean? | Vacuum has been used completely |
| What do you do when the needle starts to come out of the arm during the procedure? How would you know you were pulling the needle out too early? | Hear air, see blood. Pull taught and go back in |
| What do you do when you insert the needle and tube and there is no blood return? | Pull taught and pull back. Pull taught and repalpate. Try new tube incase loss of suction |
| What hematology tests go in lavender tubes? | CBC, RBC, WBC, platelets, hgb, Hct. These are plasma specimens |
| What chemistry tests go in red, gold, green or gray tubes? | electrolytes, cholesterol, BUN, creatinine. Red and Gold are serum. Green and gray are plasma specimens |
| What coagulation studies go in a light blue tube? | PT, INR. this is a plasma specimen |
| What can you do to make veins more prominent? | Milk arm,slap arm, warm compress, hold arm downward. |
| How does isopropyl alcohol work? | Inhibits reproduction of bacteria |
| What is the purpose of cleaning in a circular motion? | Moves pathogens outward |
| How long should isopropyl alcohol stay on the skin? | Till it air dries |
| When would isopropyl alcohol be contraindicated? | allergy, blood alcohol test and blood culture |
| How should you handle an area that has been recently burned? | Stay away- find another site or capillary puncture |
| How should you handle a patient with a history of a mastectomy? | not on the same side of the mastectomy, preventing lymph edema |
| How do you handle a patient who gets nauseated? | cool compress and a basin |
| How do you handle a patient who faints? | stop, lay them down, head between knees, dont leave the patient and call for help. |
| What do you do differently for an obese patient? | angle changes, go in deeper |
| What are some complications of leaving the tourniquet on too long? | numbness, hematoma, hemolysis, pettchiae, pain and hemo concentration |
| Can you tie a tourniquet over clothing and when would you do that? | Yes, with and obese patient or hairy patient |
| What is the proper way to palpate a vein? | horizontally with index finger, bouncing |
| When should you ask someone to take over and perform the venipuncture procedure? | When you have tried two times |
| What is a short draw? | tube isn't filled to capacity |
| What does thixatropic mean? | thicker at room temp and thinner when heated or vibrated |
| Why is there an order of draw? | Dont want the additives to contaminate. Sterile specimen go first, coagulation test then tubes with additives |
| What is the order of draw? | light blue, gold/red, green, lavender/pink, gray |
| Which bloodborne pathogens can you contract from a used needlestick injury? | HIV, Hep B, Hep C |
| What is hemoconcentration? | concentration of blood cells is increased in proportion to plasma |
| How long should you observe the VP site before applying the gauze and tape? | 5 to 10 seconds |
| How long should you apply pressure to a hematoma? | 3 minutes |
| What is hemolysis? | Distruction of RBC with release of hemoglobin |
| What is the most common cause of specimen rejection? | Hemolysis |
| What are smelling salts? How do they work? How should you use it? | Ampules filled with amonium carbonate, irritate membrane in nose and lungs which causes a reflex that makes you take a deep breath. Should be waved 4 inches under nose |
| What should you do if a patient tells you they pass out sometimes when getting their blood drawn? | lay them down first |
| Which vein do we avoid in VP and why? | basillic vein, too close with brachial artery and median nerve |
| What is an SESIP? | Sharp with engineered sharps injury protection- sheath |
| What should you do if your patient refuses the blood draw? | ask them why? Talk to them and address concerns. Get the doctor. Then document |
| What should you do in the case of an accidental needlestick | flush it for 10 minutes with antibacterial soap. Express/make it bleed. Tell supervisor then fill out incident report |
| What is the most important quality of a sharps container? | puncture resistant |
| Why is it important to put your gloves on in front of the patient? | So they can see you, makes them feel more secure |
Created by:
lecopple1
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