Question: A nurse is educating a client about the regulations surrounding the prescription and dispensing of controlled substances. Which of the following statements should the nurse include regarding DEA regulations? Need Assignment Help? (Select all that apply.) A DEA registration number is an extra security measure some scheduled medications have designated. Prescriptions for Schedule II medications can be refilled if the client's health condition allows it. A pharmacy must verify the prescriber's DEA registration number before dispensing a scheduled medication. A provider can call in a prescription for Schedule III, IV, and V medications. Schedule III and IV prescriptions may be refilled up to five times within 6 months from the prescription's issue date. Electronic transmission of prescriptions is prohibited for all scheduled medications.