Final answer:
The scope of regulation in Article 2 includes the use of roentgen rays and radioactive materials for both diagnostic and therapeutic purposes, as well as the use of electricity for surgical purposes like cauterization.
Step-by-step explanation:
The scope of regulation mentioned in Article 2 encompasses all of the above options. This includes the use of roentgen rays and radioactive materials for diagnostic purposes, which is vital for medical imaging such as X-rays and CT scans that help detect malfunctions and diseases within the body. It also includes the use of roentgen rays and radioactive materials for therapeutic purposes, such as radiotherapy used to treat cancer by killing cancerous cells with targeted radiation. Lastly, the regulation covers the use of electricity for surgical purposes, including procedures like cauterization which is used to stop bleeding and remove tissue. All these applications are critical in the medical field for both diagnosing and treating patients.