This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anaesthesia, Subject name: Anaesthesia
Blood: Gas paition coefficient is a measure of 
Select and explain. 
A. Potency of anaesthetic agent, B. Speed of induction and recovery, C. Lipid solubility of agent, D. None
B: Speed of induction and recovery
Answer: B: Speed of induction and recovery 
Explanation: The paition coefficient is defined as the relative solubilities of gas in 2phases. The blood gas paition coefficient determines the solubility of the gas in the blood. It also determines the onset of induction and recovery. It is inversely propoional to the induction rate.