10 Questions
Which enzyme is responsible for the formation of carbonic acid in red blood cells?
Carbonic anhydrase
What percentage of carbon dioxide is carried in the blood as bicarbonate ions?
70%
What happens to hydrogen ions in the blood during the transport of carbon dioxide?
They increase acidity in the blood
What is the name of the acid that dissociates to form hydrogen ions and bicarbonate ions?
Carbonic acid
What is the name of the phenomenon where negatively charged bicarbonate ions diffuse to the plasma and chloride ions diffuse in the opposite direction?
Chloride shift
What happens to oxygen when hydrogen ions readily associate with oxyhaemoglobin?
Oxygen is released to the tissue
What balances the diffusion of bicarbonate ions in the blood plasma?
Diffusion of chloride ions
What is the main way carbon dioxide is transported in the blood?
In the form of bicarbonate ions
What is the role of haemoglobin in the transport of carbon dioxide?
To buffer hydrogen ions
What is the pH range at which the blood is maintained during carbon dioxide transport?
Approximately 7.4
Test your knowledge on how carbon dioxide is transported in the blood with this quiz! Learn about the three main ways carbon dioxide is carried, including bicarbonate ions, carboxyhaemoglobin, and dissolved in plasma.
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