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Electrochemical Reactions and Galvanic Cells Quiz

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Electrochemical Reactions and Galvanic Cells Quiz

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Questions and Answers

What is the main principle used in blood gas analysis?

Spectrophotometry

Galvanic cell (correct)

Potentiometry

Electrolytic cell

Which metals are examples of inert metals used to record the redox potential of a redox couple?

Iron and Zinc

Nickel and Aluminum

Copper and Silver

Gold and Platinum (correct)

What is the main application of potentiometric methods in clinical settings?

Measurement of ions like sodium and potassium (correct)

Checking respiratory rate

Measurement of blood pressure

Measuring heart rate

What is the main function of an Ag-AgCl electrode?

Metal electrode in a redox couple (B) Signup and view all the answers

Which type of membrane is specific to a particular analyte in potentiometric electrodes?

Selective membrane (B) Signup and view all the answers

In which process does spectrophotometry primarily involve?

Measurement of color intensity (B) Signup and view all the answers

What is the primary use of a reference electrode in an electrochemical cell?

Provide a stable reference potential (C) Signup and view all the answers

What is the purpose of the reference electrode in an electrochemical cell?

Generates a constant voltage to the meter (C) Signup and view all the answers

Which type of membrane is used in Ca2+ selective electrodes?

Glass membrane (D) Signup and view all the answers

What is the range of concentration typically covered by Nernst type response in ion-selective electrodes?

$10^{-5}$ to $10^{-1}$ M (A) Signup and view all the answers

What contributes to the membrane potential of an electrode according to the text?

Combined activity and selectivity constant of ions (B) Signup and view all the answers

Which material is NOT typically used in medical applications for ion-selective electrodes?

Metallic alloys (D) Signup and view all the answers

What is the main function of a neutral carrier membrane in an ion-selective electrode?

Detect and selectively bind specific ions (B) Signup and view all the answers

How does a liquid ion exchanger differ from a solid ion exchange membrane in ion-selective electrodes?

Solid membranes are more resistant to fouling (A) Signup and view all the answers

What does the membrane potential of an electrode depend on according to the text?

Weighted sum of all ions present in the solution (A) Signup and view all the answers

Which type of electrode has an absolute potential and delivers a constant voltage to the meter?

Reference electrode (D) Signup and view all the answers