Blood-Gas Partition Coefficients — FRCA Final MCQ

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EasyGeneral AnaesthesiaBlood-Gas Partition CoefficientsFRCA Final

Which volatile agent has the highest blood-gas partition coefficient?

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Correct answer: D — Halothane

Blood-gas coefficients: halothane 2.4, isoflurane 1.4, sevoflurane 0.65, N2O 0.47, desflurane 0.42. Higher coefficient = greater blood solubility = slower onset/offset. Halothane has highest, explaining slow induction/recovery vs desflurane.

Reference: RCOA – 2020 – Primary curriculum: Pharmacology of inhalational agents