In which of the following way does the maximum amount of CO2 is transported in the blood?
A
Bicarbonate form
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B
Dissolved form
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C
Carbaminohemoglobin
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D
Chloride shift
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Solution
The correct option is A Bicarbonate form 20 to 25 % of carbon dioxide is carried as carbamino-haemoglobin. Around 70 to 80% of carbon dioxide is transported as sodium bicarbonate at the tissue level and transported to the alveoli is released out as carbon dioxide. Every 100 ml blood contains 4 ml carbon dioxide in dissolved form. So the correct option is 'Bicarbonate form'