Question

The majority of carbon dioxide is transported as............

• A. dissolved form
• B. as carbaminohemoglobin
• C. as bicarbonate ions
• D. equally in all the forms

Answer 1

The correct option is C as bicarbonate ions

Carbon dioxide can be transported through the blood via three methods. It is dissolved directly in the blood, bound to hemoglobin, or converted into bicarbonate. The majority of carbon dioxide is transported as part of the bicarbonate system.