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': 'Intracellular and interstitial body fluids have similar: \nSelect and explain. \nA. Total osmotic pressure, B. Colloid osmotic pressure, C. Chloride ion concentrations, D. Potassium ion concentrations', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]