<prompt> Inhalational agent with lowest blood gas coefficient is:IsofluraneNOXenonEnflurane  <response>: Ans: c XenonRef. Stoeltings Pharmacology and Physiology in Anesthetic Practice, 4th edition 4.Blood gas partition coefficient BG coefficient: It is ratio of solubility of a gas inhalational agent in blood and in the air alveolar airLow the BG coefficient Lesser the solubility of gas in blood Rapid onset of actionBG coefficient can be affected by:Serum lipid contentSerum protein contentHematocritAgeInhalational agentsBG coeficientVapour pressure mm HgBoiling point degree CelsiusXenon0.115--Desflurane0.4267323.5Nitrous oxide0.465200-88Sevoflurane0.6916258.5Isoflurane1.4623848.5Enflurane1.9017456.5Halothane2.5424350Chloroform816060Trilene96087Ether1242536Methoxyflurane1323103 