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Which of these variables related to the collection of blood may falsely increase the plasma potassium level, if the potassium sample is collected using a green-top tube?
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Which of these variables related to the collection of blood may falsely increase the plasma potassium level, if the potassium sample is collected using a green-top tube?
Please select the single best answer
Drawing a purple-top EDTA tube prior to the green-top tube
Shaking the blood collection tube to mix the blood with anticoagulant
Collecting a blood sample for potassium testing above an IV site
ALL of the above actions can falsely increase the potassium level
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