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Questions and Answers
Which tube is used for measuring blood glucose?
Which tube is used for measuring blood glucose?
- Sodium fluoride tube (correct)
- Plain tube
- Heparin tube
- EDTA tube
What can cause falsely elevated results for glucose, potassium, and protein-based analytes?
What can cause falsely elevated results for glucose, potassium, and protein-based analytes?
- Hemolysis of the sample
- Exposure to light
- Prolonged tourniquet (correct)
- Drawing blood from an arm with an IV
Which analyte is increased in a hemolyzed sample?
Which analyte is increased in a hemolyzed sample?
- Creatinine
- Albumin
- LDH (correct)
- Insulin
What should be done when drawing blood from an arm with an IV to avoid sample dilution?
What should be done when drawing blood from an arm with an IV to avoid sample dilution?
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What should be done to maintain accurate ammonia concentrations in a blood sample?
What should be done to maintain accurate ammonia concentrations in a blood sample?
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Which tube is used for HbA1C measurement?
Which tube is used for HbA1C measurement?
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What should be done to avoid falsely decreased bilirubin levels?
What should be done to avoid falsely decreased bilirubin levels?
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What is the effect of prolonged tourniquet (hemoconcentration) on glucose results?
What is the effect of prolonged tourniquet (hemoconcentration) on glucose results?
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Which analyte is decreased in a hemolyzed sample?
Which analyte is decreased in a hemolyzed sample?
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What should be done to maintain accurate ammonia concentrations in a blood sample?
What should be done to maintain accurate ammonia concentrations in a blood sample?
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