Carboxyhaemoglobin Formation and CO2 Pressure Quiz
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Questions and Answers

Which part of haemoglobin does carbon dioxide combine with to form carboxyhaemoglobin?

  • The protein part (correct)
  • The heme part
  • The iron part
  • The oxygen part
  • When does the formation of carboxyhaemoglobin occur?

  • When the partial pressure of carbon dioxide is equal in the blood and tissues
  • When the partial pressure of carbon dioxide is higher in the tissues than in the blood (correct)
  • When the partial pressure of carbon dioxide is higher in the blood than in the tissues
  • When the partial pressure of carbon dioxide is zero
  • Where does carboxyhaemoglobin release its carbon dioxide?

  • In the blood
  • In the tissues
  • In the lungs (correct)
  • In the heart
  • What does the percentage of carbon dioxide carried as carboxyhaemoglobin provide insight into?

    <p>The efficiency of carbon dioxide transport in the blood</p> Signup and view all the answers

    What determines the direction of the carboxyhaemoglobin reaction?

    <p>The concentration of carbon dioxide in the tissues</p> Signup and view all the answers

    What role does carboxyhaemoglobin play in maintaining the appropriate levels of carbon dioxide?

    <p>It helps in carbon dioxide elimination</p> Signup and view all the answers

    What is the ability of carboxyhaemoglobin to bind and release carbon dioxide crucial for?

    <p>Gas exchange in the lungs</p> Signup and view all the answers

    What does understanding the factors that influence carboxyhaemoglobin formation and release help in studying?

    <p>Respiratory physiology</p> Signup and view all the answers

    What is the percentage of carbon dioxide carried as carboxyhaemoglobin a measure of?

    <p>The efficiency of carbon dioxide transport in the blood</p> Signup and view all the answers

    What kind of process is the formation and release of carboxyhaemoglobin?

    <p>A dynamic process</p> Signup and view all the answers

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