Term
| An additive tube should be mixed |
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Definition
| as soon as it is removed from the holder. |
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Term
| Which of the following is the BEST way to avoid reflux when drawing a blood specimen? |
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Definition
| Fill tubes from the bottom up. |
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Term
| Hemolysis can erroneously elevate |
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Definition
ammonia
magnesium
potassium
ALL ARE CORRECT. |
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Term
A phlebotomist has attempted twice to draw a partial thromboplastin time (PTT) specimen from a patient with difficult veins.
Both times the phlebotomist has been able to draw only a partial tube. What should the phlebotomist do? |
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Definition
| Have another phlebotomist attempt to draw the specimen. |
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Term
| The patient is just finishing a big breakfast as the phlebotomist arrives to draw a fasting specimen. What should the phlebotomist do? |
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Definition
| Check with the patient's nurse to see if the specimen should still be collected. |
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Term
| The creatinine clearance rate decreases in elderly patients due to a normal decline in |
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Definition
|
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Term
| Levels of which analyte can differ by 50% or more between morning and late afternoon? |
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Definition
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Term
| You have no choice but to draw a specimen from a site with a hematoma. Where should you obtain the specimen? |
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Definition
|
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Term
| The solution normally used to clean the site before routine venipuncture is |
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Definition
|
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Term
| Prolonged tourniquet application may cause a change in blood composition primarily because of |
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Definition
|
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Term
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Definition
| permanent fusion of an artery and a vein for dialysis access. |
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Term
| If a patient is complaining of sharp radiating pain from the needle insertion site, the phlebotomist should |
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Definition
| immediately terminate the venipuncture. |
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Term
| A tube fails to fill with blood during a venipuncture. Which of the following might lead you to think that the vein has collapsed? |
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Definition
| The vein disappears when you engage the tube. |
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Term
| An arm that is paralyzed has |
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Definition
|
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Term
| What is Osha's policy about choosing the safest needle system to prevent accidental needle stick injuries? |
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Definition
| The clinical administrator should carefully choose the safest equipment for the staff |
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Term
| Glass particles present in serum separator tubes |
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Definition
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Term
A phlebotomist starts to perform a venipuncture. As the needle touches the skin, the patient moves his arm. The phlebotomist is startled and pulls the needle away from the arm.
How should the phlebotomist proceed after apologizing to the patient? |
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Definition
| Replace the needle, clean the site, warn the patient, and finish the draw. |
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Term
| A phlebotomist arrives to draw a specimen from an inpatient. The patient's door is closed. What should the phlebotomist do? |
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Definition
| Knock softly, open it slowly, and ask permission to enter. |
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Term
| If blood is drawn too quickly from a small vein, the vein will have a tendency to |
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Definition
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Term
| What is the proper blood-to-additive ratio for a light blue tube collected for a coagulation test? |
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Definition
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Term
You must collect a routine hematology test, a blood culture, and a stat chemistry test.
Which of the following are the tubes you would most likely use, listed in the correct order of draw? |
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Definition
| yellow top, green-top, purple-top. |
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Term
| What is the most critical error a phlebotomist can make? |
|
Definition
| Misidentifying a patient specimen |
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Term
| The tube additive that is responsible for the most carryover problems is |
|
Definition
ethylenediaminetetraacetic acid
AKA as EDTA |
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Term
| You must draw a protime specimen from a patient with IVs in both arms. Which of the following is the best thing to do? |
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Definition
| Draw the specimen below an IV. |
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Term
| Tattooed areas should be avoided as venipuncture sites because |
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Definition
*fresh tattoo sites may be more prone to infection
*tattoos can mask an adverse reaction to the draw
*there could be an undetected infection in that area.
***All of the options are correct. |
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Term
| Never leave a tourniquet on for more than |
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Definition
|
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Term
| The tests performed in the following department are typically collected in a tube with a lavender stopper. |
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Definition
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Term
| If a venipuncture site is still bleeding after 5 minutes the phlebotomist should |
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Definition
| alert the patient's nurse or other healthcare provider. |
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Term
| Which situation is the best way to tell that you may have accidentally punctured an artery? |
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Definition
| The blood pulses into the tube. |
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Term
| When a test requires a fasting specimen, but the serum is __________, it is a clue that the patient was not fasting. |
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Definition
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Term
| How long before obtaining blood for testing should drugs known to interfere with blood tests be discontinued? |
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Definition
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Term
| What may happen if you mix a specimen too vigorously? |
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Definition
|
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Term
| Doing which of the following prior to a capillary collection would be appropriate? |
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Definition
| Using a warm towel to increase blood flow |
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Term
A phlebotomist collects a light-blue-top, lavender-top, and gray-top tube from an inpatient.
Respectively, which of the following additives do the tubes most likely contain? |
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Definition
| Citrate, EDTA, sodium fluoride |
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Term
| A tube with a green stopper normally contains |
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Definition
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