Question

In pulmonary capillaries, the bicarbonate ion is always returned to the ____________

a. intestitial fluid
b. plasma
c. alveoli
d. RBC
e. white blood cell

Answer 1

The correct answer is B

Step-by-step explanation:

During hematosis, within the erythrocyte, carbonic anhydrase is dissociated into a hydrogen ion and carbonate ion, carbonate leaves the erythrocyte and passes into the plasma.