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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Minimum alveolar concentration (MAC) is a measure of-
assistant
The correct answer is  (Refer: Morgan and Mikhail’s Clinical Anaesthesiology, 5th edition, pg no. 160, 268, 510)

Minimum alveolar concentration (MAC) → Measure of potency
Blood: Gas partition coefficient →Blood solubility of anaesthetic agent and determines the speed of induction & recovery
Oil: Gas partition coefficient → Lipid solubility of anaesthetic agent and is related to potency of anaesthetic agent.