the patient is a 60 year-old woman who is maintained on 2 buprenorphine-naloxone 8-2 mg film strips daily for opiate dependence. she is compliant with her counseling and groups, and she participates in narcotics anonymous (na). the prescription monitoring program shows no early refills or refills from other providers. witnessed urine toxicology is positive only for buprenorphine. medication film counts have been accurate. she presents in clinic with mild acute pain in the lumbar muscle after a motor vehicle accident. which is the most appropriate course of action?