16 Questions
What is the main principle used in blood gas analysis?
Galvanic cell
Which metals are examples of inert metals used to record the redox potential of a redox couple?
Gold and Platinum
What is the main application of potentiometric methods in clinical settings?
Measurement of ions like sodium and potassium
What is the main function of an Ag-AgCl electrode?
Metal electrode in a redox couple
Which type of membrane is specific to a particular analyte in potentiometric electrodes?
Selective membrane
In which process does spectrophotometry primarily involve?
Measurement of color intensity
What is the primary use of a reference electrode in an electrochemical cell?
Provide a stable reference potential
What is the purpose of the reference electrode in an electrochemical cell?
Generates a constant voltage to the meter
Which type of membrane is used in Ca2+ selective electrodes?
Glass membrane
What is the range of concentration typically covered by Nernst type response in ion-selective electrodes?
$10^{-5}$ to $10^{-1}$ M
What contributes to the membrane potential of an electrode according to the text?
Combined activity and selectivity constant of ions
Which material is NOT typically used in medical applications for ion-selective electrodes?
Metallic alloys
What is the main function of a neutral carrier membrane in an ion-selective electrode?
Detect and selectively bind specific ions
How does a liquid ion exchanger differ from a solid ion exchange membrane in ion-selective electrodes?
Solid membranes are more resistant to fouling
What does the membrane potential of an electrode depend on according to the text?
Weighted sum of all ions present in the solution
Which type of electrode has an absolute potential and delivers a constant voltage to the meter?
Reference electrode
Test your knowledge on electrochemical reactions, galvanic cells, electrodes, and the measurement of current or voltage generated by specific ion species. Learn about cathodes, anodes, and their roles in electrolyte and blood gas concentration measurement.
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