Physiology – MCQ 61 – CO2 transport in blood

CO2 is primarily transported in the arterial blood as:
A. Dissolved CO2
B. Carbonic Acid
C. Carbaminohemoglobin
D. Bicarbonate

Correct answer : D. Bicarbonate

CO2 transport in blood

Bicarbonate – 70%
Carbaminohemoglobin – 23%
Dissolved CO2 – 7%

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