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Questions and Answers
What are the preferred anticoagulants for plasma specimens?
What is the most routinely used method for sodium and potassium testing?
Which method is more accurate than indirect ISE for hyperproteinemic or hyperlipidemic samples?
What is the major extracellular cation in the human body responsible for determining plasma osmolality levels?
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What is a common electrolyte disorder?
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What is the anticoagulant of choice for potassium testing?
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What may lead to falsely elevated potassium values in serum?
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Study Notes
- Specimens for sodium, potassium, and chloride testing include serum, plasma, urine, whole blood, sweat, feces, and GIT fluid.
- Lithium heparin, ammonium heparin, and lithium oxalate are the preferred anticoagulants for plasma specimens.
- Ion selective electrode (ISE) is the most routinely used method for sodium and potassium testing.
- Direct ISE is more accurate than indirect ISE for hyperproteinemic or hyperlipidemic samples.
- Sodium is the major extracellular cation in the human body and responsible for determining plasma osmolality levels.
- Hyponatremia is a common electrolyte disorder.
- Heparin is the anticoagulant of choice for potassium testing.
- High platelet count may lead to falsely elevated potassium values in serum.
- ISE is the method of choice for chloride testing.
- Bicarbonate is a major component of the total CO2 in the body.
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Description
Think you know everything about sodium, potassium, and chloride testing? Test your knowledge with our quiz! From the preferred anticoagulants for plasma specimens to the most routine method for testing sodium and potassium, this quiz covers it all. Test your knowledge on the major extracellular cation in the human body, electrolyte disorders, and much more. See how much you know about these important components of the human body and their testing methods. Take the quiz now!
