Continuous Flow Analyzer for Blood Gas Analysis

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Questions and Answers

Which gas is released from HCO3 in a continuous flow analyzer for blood gas analysis?

  • Carbon dioxide (correct)
  • Hydrogen
  • Oxygen
  • Nitrogen

What is the alternative method for blood gas analysis that involves the use of H2SO4 and pCO2 electrodes?

  • Amperometric analysis
  • Clark electrode analysis
  • Polarographic analysis (correct)
  • Gasometric analysis

Which electrode in the Clark electrode is composed of a platinum cathode and a silver-silver chloride anode?

  • Oxygen permeable membrane
  • Sample electrode
  • Reference electrode (correct)
  • pH electrode

What is the device used for transcutaneous monitoring in gasometric analysis?

<p>Van Slyke macrogasometer (B)</p> Signup and view all the answers

What happens if a specimen for blood gas analysis is not kept at anaerobic conditions?

<p>pH lowers (A)</p> Signup and view all the answers

Why should all procedures in blood gas analysis be considered 'STAT'?

<p>To avoid glycolysis (B)</p> Signup and view all the answers

What type of electrode is connected to the reference electrode in blood gas analysis?

<p>Silver-silver electrode (C)</p> Signup and view all the answers

Why is it crucial to avoid bubbles when filling the cartridge in blood gas analysis?

<p>Bubbles distort the blood gas parameters (C)</p> Signup and view all the answers

What is the principle underlying blood gas analysis using pH meters?

<p>Holographic principle (D)</p> Signup and view all the answers

Which equipment is utilized to measure CO2 content in blood gas analyzers?

<p>ABG syringe (C)</p> Signup and view all the answers

What should be done if bubbles are accidentally introduced into the sample during blood gas analysis?

<p>Throw away the cartridge immediately (B)</p> Signup and view all the answers

Which component of blood gas parameters is measured using a glass electrode?

<p>pH (B)</p> Signup and view all the answers

Which artery is usually preferred for collecting blood for an ABG test?

<p>Brachial artery (B)</p> Signup and view all the answers

What is the purpose of heparin in an ABG syringe?

<p>To prevent blood clotting (C)</p> Signup and view all the answers

Why is the plunger usually not needed to be pulled when collecting blood for an ABG test?

<p>Blood rapidly enters the syringe if the artery is hit correctly (D)</p> Signup and view all the answers

What is arterialization in the context of blood gas analysis?

<p>A procedure to mimic arterial blood conditions in venous or capillary samples (A)</p> Signup and view all the answers

Why should an ABG specimen be processed within 3 hours?

<p>To avoid O2 consumption by red blood cells (C)</p> Signup and view all the answers

What happens to ABG results if a specimen is exposed to room air?

<p>Oxygen increases, CO2 decreases, pH increases (A)</p> Signup and view all the answers

What effect does excess heparin have on ABG results?

<p>Decreases pH (C)</p> Signup and view all the answers

Why is venous blood usually slightly lower in pH compared to arterial blood?

<p>Presence of more hemoglobin in venous blood (C)</p> Signup and view all the answers

What is the purpose of arterialization when using venous or capillary blood for analysis?

<p>To mimic arterial blood conditions for accurate results (B)</p> Signup and view all the answers

What is the main advantage of using a glass syringe pretreated with heparin for ABG sampling?

<p>Reusable with accurate results (A)</p> Signup and view all the answers

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