Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
What are the preferred anticoagulants for plasma specimens?
What are the preferred anticoagulants for plasma specimens?
- Sodium citrate, potassium oxalate, and EDTA
- Lithium heparin, ammonium heparin, and lithium oxalate (correct)
- Heparin, citrate, and EDTA
- Lithium citrate, ammonium oxalate, and sodium heparin
What is the most routinely used method for sodium and potassium testing?
What is the most routinely used method for sodium and potassium testing?
- Enzyme-linked immunosorbent assay (ELISA
- Ion selective electrode (ISE (correct)
- Gas chromatography
- High-performance liquid chromatography (HPLC
Which method is more accurate than indirect ISE for hyperproteinemic or hyperlipidemic samples?
Which method is more accurate than indirect ISE for hyperproteinemic or hyperlipidemic samples?
- Indirect ISE
- Gas chromatography
- HPLC
- Direct ISE (correct)
What is the major extracellular cation in the human body responsible for determining plasma osmolality levels?
What is the major extracellular cation in the human body responsible for determining plasma osmolality levels?
Signup and view all the answers
What is a common electrolyte disorder?
What is a common electrolyte disorder?
Signup and view all the answers
What is the anticoagulant of choice for potassium testing?
What is the anticoagulant of choice for potassium testing?
Signup and view all the answers
What may lead to falsely elevated potassium values in serum?
What may lead to falsely elevated potassium values in serum?
Signup and view all the answers
Flashcards are hidden until you start studying
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.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
