NOVA Clinical Anesthesia Exam 1 Practice

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Which of the following is NOT listed as a vaporizer in the material?

Sevoflurane

Desflurane

Isoflurane

Nitrous oxide

Vaporizers convert a liquid volatile anesthetic into a gas so that a precise concentration can be delivered in the fresh gas flow. Sevoflurane, desflurane, and isoflurane are all volatile liquids and require this device to set their inhaled concentration. Nitrous oxide, on the other hand, is a gas at room temperature and is delivered directly as a gas without any vaporization step. Therefore, nitrous oxide is not listed as a vaporizer.

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