Carbon dioxide transpoed in blood mostly as: (A) Carnbon Hb, (B) In combination with plasma proteins, (C) Bicarbonate, (D) Carbonic acid dissolved in plasma
Answer is C. Transpo of Carbon Dioxide in the Blood Carbon dioxide molecules are transpoed in the blood from body tissues to the lungs by one of three methods: dissolution directly into the blood, binding to hemoglobin, or carried as a bicarbonate ion. Several propeies of carbon dioxide in the blood affect its transpo Ref: guyton and hall textbook of medical physiology 12 edition page number:359,360,361