<prompt> MAC stands forMinimum alveolar concentrationMinimal analgesic concentrationMinimal anaesthetic concentrationMaximum alveolar concentration  <response>: Minimum alveolar concentration is defined as the alveolar concentration of an inhaled anesthetic agent that prevents movement in 50 of patients in response to a standardized surgical stimulus. Low MAC - High potency MAC values of adult Halothane: 0.75 Sevoflurane: 2.0 Isoflurane: 1.2 Desflurane: 6.0 Enflurane: 1.7 Xenon: 70 N2O: 104 Ref: Millers anesthesia 8th edition Ref: Morgan Mikhails clinical anesthesiology 6e 