This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'C02 is primarily transpoed in the aerial blood as: \nSelect and explain. \nA. Dissolved C02, B. Carbonic Acid, C. Carbamino-hemoglobin, D. Bicarbonate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Transpo of carbon dioxide in the form of bicarbonate ions accounts for approximately 70% of the carbon dioxide transpoed from the tissues to the lungs. Thus this is by far the most impoant of all methods of transpo. Ref: Textbook of Medical Physiology By Guyton, 10th Edition, Page 471', 'role': 'assistant'}]