Final answer:
The DPS requires controlled substance prescriptions to be reported to track the distribution of these drugs, ensure patient safety, and prevent drug abuse and diversion. The correct answer is 'All of the above'.
Step-by-step explanation:
The requirement that all prescriptions for controlled substances be reported serves several important purposes. Firstly, it helps to track the distribution of controlled substances to ensure that they are being dispensed properly and not diverted for non-medical use. Secondly, it is a measure to ensure patient safety, as it assists in monitoring for potentially dangerous drug interactions and preventing issues such as duplicate prescriptions or overprescribing. Thirdly, it is a crucial step in efforts to prevent drug abuse and diversion, helping to identify patterns that might suggest misuse of medications. Therefore, the correct answer to why the DPS requires reporting of controlled substance prescriptions is 4) All of the above.