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
Intracellular and interstitial body fluids have similar: 
Select and explain. 
A. Total osmotic pressure, B. Colloid osmotic pressure, C. Chloride ion concentrations, D. Potassium ion concentrations
A: Total osmotic pressure
Answer: A: Total osmotic pressure 
Explanation: None