Which of the following is a correct use of nitrous oxide in medical treatment?

Nitrous oxide is commonly used in medical treatment primarily for its anesthetic and analgesic properties, making it effective in managing acute pain. It works by providing rapid analgesia and is often utilized in various settings, including dental procedures, short surgical procedures, and emergency care, to alleviate the discomfort associated with acute pain.

In this context, nitrous oxide acts quickly, which makes it particularly suitable for situations where immediate pain relief is required. It has a favorable safety profile, allowing it to be administered in a controlled manner while providing effective sedation and reducing anxiety in patients.

The other options involve conditions that are not typically treated with nitrous oxide. Treating hypertension does not align with the pharmacological action of nitrous oxide. Improving oxygenation is generally addressed through methods such as supplemental oxygen or mechanical ventilation rather than anesthetic gases. Reducing fever usually requires antipyretic medications, such as acetaminophen or ibuprofen, and does not involve the use of nitrous oxide.