Which of the following statements is true about desflurane?

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Desflurane is unique among inhalational anesthetics due to its physical properties, specifically its low boiling point, which necessitates the use of a special vaporizer that heats the agent to deliver it effectively as a gas during anesthesia administration. This characteristic means that desflurane vaporizers are designed to provide precise and stable concentrations of the anesthetic gas, ensuring patient safety and optimal efficacy.

The other statements do not align with the properties of desflurane; it is generally not the least expensive anesthetic option compared to others like sevoflurane or nitrous oxide. Instead, it is known to facilitate faster recovery times owing to its low blood solubility, allowing for rapid elimination from the body after the cessation of administration. Lastly, desflurane is minimally metabolized by the liver, with the majority being exhaled unchanged, making its hepatic metabolism an inaccurate statement regarding its pharmacokinetics.