Which measures should an operator take if they remain in the radiographic room during exposure?

The selection of all encompassing measures is crucial for ensuring safety when an operator remains in the radiographic room during exposure. Each action taken plays a significant role in minimizing the operator's radiation dose.

Standing as far as practicable from the radiation source is fundamental because the intensity of radiation decreases significantly with distance, adhering to the inverse square law. This foundational principle reduces potential exposure as much as possible.

Wearing appropriate protective apparel is another essential measure. Such apparel, which includes lead aprons, thyroid collars, and protective glasses, is designed to absorb or attenuate radiation, thereby providing a physical barrier that helps in reducing the operator's exposure.

Utilizing personnel monitoring devices is a critical practice as well. These devices, such as dosimeters, track the amount of radiation the operator is exposed to over time. This monitoring ensures that exposure levels remain within safe limits and allows for timely responses if exposures are approaching hazardous levels.

By combining these measures, an operator can drastically reduce their risk of radiation exposure while remaining within the radiographic room during exposure. This comprehensive approach to safety is why opting for all these measures is deemed the best practice.