When handling radioactive materials during experiments, what is the best practice?

The best practice when handling radioactive materials during experiments is to proceed with caution and show respect for established procedural protocols. This approach is crucial because radioactive materials can pose significant health risks due to their radiation emission. Therefore, adhering to safety protocols is essential to minimize exposure and ensure both personal safety and the safety of others in the vicinity.

Following established procedures typically includes wearing appropriate personal protective equipment (PPE), using shielding when necessary, and maintaining proper containment of the materials. This practice not only protects individuals handling the materials but also contributes to overall safety in the laboratory environment.

While using materials only when absolutely necessary is a prudent consideration, it does not encompass the full range of safe practices essential for working with radioactive materials. Efficiency is important in research settings, but it should never come at the expense of safety, which is highlighted by the emphasis on cautious handling and the adherence to protocols. Ignoring safety protocols, as suggested by the first option, could lead to dangerous situations, and handling materials without protective gear contradicts fundamental safety standards.