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: Anaesthesia
Paition coefficient of gas 
Select and explain. 
A. Measure of potency, B. Directly propoional to potency, C. Measures solubility, D. All of the above
C: Measures solubility
Answer: C: Measures solubility 
Explanation: C i.e. Measures solubility