He was taking his regular antipsychotic as his usual medication, but soon he began to have hallucinations and his agitation increased. I then reported to my nurse friend and after looking at the patient's medication chart, we discovered that the doctor had written another PRN medication for agitation control, which was a schedule 8 medication . These medications are always locked and checked by two registered nurses or one registered nurse and one EN. Two registered nurses are not permitted to check alone. My preceptor asked me to check this PRN medication with her, but I told her that I could not administer and check the locked schedule 4 and 8 medications because it was outside of my scope of practice. I showed him an ECU document that I had signed before attending any placement which clearly stated that the medication prescribed was not outside of my scope of practice and the guidelines stated that as a student I would not couldn't be a second