Venipuncture and the process
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| how far above should the tourniquet be placed | 3-4 inches above
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| accidental needlestick. what is the next course of action? | WASH exposed arear→ REPORT to supervisor→ REFER to MSDS→ Fill out an exposure REPORT form
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| correct way to end a venipuncture | Remove tourniquet then tube, hover gauze over the site and remove needle then activate safety
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| preferred site selection | antecubital fossa
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| median cubital vein | most common
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| cephalic vein | straightforward vein to palpate in an obese patient
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| vacutainer needle angle | 15-30 degrees
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| butterfly needle angle | 5 degrees
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| label tubes | patients full name, numeric identifier (such as DOB)
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| which way should the needle face? | upwards
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| another name for winged infusion set is? | butterfly
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| what is QNS? | quantity not sufficient
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| 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
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| raised red blotches are sign of what? | allergic reaction
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| flat red blotches are what? | petechiae
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| what is the most common cause for blood culture contamination? | improper site preparation
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| patient identification | ID band attached or having the person state full name and DOB
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| Which of the following is a complication that can arise in capillary sampling? | nerve damage, collapse of veins, and scarring
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| 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
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| 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
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| what is a lancet used for? | capillary sampling
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| When a patient's vein is small, thin or fragile, what would be the most appropriate equipment selection? | syringe
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| standard needle in venipuncture | straight multi-sample needles
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| for difficult veins: | butterfly needle is a better choice as it is shorter and has a smaller diameter.
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| for small, thin, or fragile veins: | syringe allows you to better control the pressure and speed at which the blood is removed
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| for elderly patients, in what circumstances would a capillary puncture be performed rather than venipuncture? | if they have clot-forming tendencies
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| What is the maximum depth a heel stick should penetrate? | maximum depth of a heel stick should be 2.0 mm.
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| For adult patients, what is the maximum length lancet that should be used for a fingerstick? | 2.2 mm
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| Blood culture site must be cleansed with | chloraprep
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| is cavicide used to cleanse an area on a patient? | No
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| Which antiseptic should NOT be used on pre-term infants or those under 2 months of age? | Chlorhexidine gluconate.
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| What is without stasis? | Without a tourniquet
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| Where would a PKU test be performed? | lateral sides of foot
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