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Venipuncture
Venipuncture and the process
| Question | Answer |
|---|---|
| how far above should the tourniquet be placed | 3-4 inches above |
| accidental needlestick. what is the next course of action? | WASH exposed arear→ REPORT to supervisor→ REFER to MSDS→ Fill out an exposure REPORT form |
| correct way to end a venipuncture | Remove tourniquet then tube, hover gauze over the site and remove needle then activate safety |
| preferred site selection | antecubital fossa |
| median cubital vein | most common |
| cephalic vein | straightforward vein to palpate in an obese patient |
| vacutainer needle angle | 15-30 degrees |
| butterfly needle angle | 5 degrees |
| label tubes | patients full name, numeric identifier (such as DOB) |
| which way should the needle face? | upwards |
| another name for winged infusion set is? | butterfly |
| what is QNS? | quantity not sufficient |
| if a patient is having a syncopal episode, what is the most important thing a phlebotomist needs to do? | Remove the needle from the patient's arm and lay them flat with their feet elevated |
| raised red blotches are sign of what? | allergic reaction |
| flat red blotches are what? | petechiae |
| what is the most common cause for blood culture contamination? | improper site preparation |
| patient identification | ID band attached or having the person state full name and DOB |
| Which of the following is a complication that can arise in capillary sampling? | nerve damage, collapse of veins, and scarring |
| The use of povidone iodine for site preparation can result in a false increase in what level? | may falsely increase levels of potassium, phosphorus or uric acids in test results |
| What action can prevent bruises from forming due to a blood draw? | applying firm pressure after the draw an keeping a bandage on for several hours |
| what is a lancet used for? | capillary sampling |
| When a patient's vein is small, thin or fragile, what would be the most appropriate equipment selection? | syringe |
| standard needle in venipuncture | straight multi-sample needles |
| for difficult veins: | butterfly needle is a better choice as it is shorter and has a smaller diameter. |
| for small, thin, or fragile veins: | syringe allows you to better control the pressure and speed at which the blood is removed |
| for elderly patients, in what circumstances would a capillary puncture be performed rather than venipuncture? | if they have clot-forming tendencies |
| What is the maximum depth a heel stick should penetrate? | maximum depth of a heel stick should be 2.0 mm. |
| For adult patients, what is the maximum length lancet that should be used for a fingerstick? | 2.2 mm |
| Blood culture site must be cleansed with | chloraprep |
| is cavicide used to cleanse an area on a patient? | No |
| Which antiseptic should NOT be used on pre-term infants or those under 2 months of age? | Chlorhexidine gluconate. |
| What is without stasis? | Without a tourniquet |
| Where would a PKU test be performed? | lateral sides of foot |
Created by:
phlebotomystudent1
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