Most carbon dioxide in the blood is transported:
A) as bicarbonate.
B) as carbonic anhydrase.
C) as carbaminohemoglobin.
D) as gas dissolved in the plasma.

Question

Quizplus · Accepted Answer

Most carbon dioxide in the blood is transported as bicarbonate ions (HCO3-) after it reacts with water in the presence of the enzyme carbonic anhydrase, forming carbonic acid which then dissociates.

Most Carbon Dioxide in the Blood Is Transported