Carbon Dioxide Transport in the Body
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Questions and Answers

Which enzyme is responsible for the formation of hydrogencarbonate ions from carbon dioxide in red blood cells?

  • Cytochrome oxidase
  • Carbonic anhydrase (correct)
  • Lactate dehydrogenase
  • Hemoglobin

    • What percentage of carbon dioxide is transported as dissolved carbon dioxide molecules in the blood plasma?

  • 5% (correct)
  • 25%
  • 15%
  • 35%

    • Which of the following statements about the transport of carbon dioxide in the blood is true?

  • The transport of carbon dioxide does not involve any chemical reactions.
  • Carbon dioxide is only transported in the red blood cells.
  • Carbon dioxide combines with hemoglobin to form carbaminohemoglobin. (correct)
  • All carbon dioxide is transported as hydrogencarbonate ions in the blood plasma.

    • What is the primary form in which carbon dioxide is transported in the blood?

    <p>As hydrogencarbonate ions in the blood plasma</p> Signup and view all the answers

    Where does the reaction that forms hydrogencarbonate ions from carbon dioxide take place?

    <p>In the cytoplasm of red blood cells</p> Signup and view all the answers

    What is the role of hemoglobin in the transport of carbon dioxide?

    <p>It combines with carbon dioxide to form carbaminohemoglobin.</p> Signup and view all the answers

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