A nurse is caring for a client who has an opioid use disorder. The nurse should anticipate that the provider will prescribe which of the following medications for treatment?

A. Diazepam is a benzodiazepine used for anxiety or alcohol withdrawal, not opioid use disorder. B. Phenobarbital is a barbiturate used for seizure disorders and some withdrawal protocols, not opioid maintenance. C. Chlordiazepoxide is commonly used for alcohol withdrawal, not opioid use disorder. D. Buprenorphine is a partial opioid agonist used to treat opioid use disorder by reducing cravings and withdrawal symptoms.