Assertion: nitrous oxide | /r/HasProperty | supplemented with inhalation anesthetic
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text: However, inhalation anesthetic agents are rarely used alone; other medications are frequently administered to induce or supplement anesthesia.—Because of its weak anesthetic potency and muscle relaxant properties, nitrous oxide must be supplemented with another anesthetic or anesthesia adjunct (such as a barbiturate, benzodiazepine, opioid analgesic, or another inhalation anesthetic) and/or a neuromuscular blocking agent.