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
The exchange of gases between plasma and tissue fluid is a function of 
Select and explain. 
A. Partial pressures, B. Hydrostatic pressures, C. Osmotic pressure differentials, D. Difference in volume percent of gases
A: Partial pressures
Answer: A: Partial pressures 
Explanation: None