Least MAC is of which inhalational agent: (A) Xeonon, (B) Halothane, (C) Sevoflurane, (D) Isoflurane
Answer is B. Agent MAC(%)EtherHalothaneEnfluraneIsofluraneDesfluraneSevofluraneNitrous oxide 1.90.751.681.26.02.0105(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 167-169)