Which of the following is an example of shielding?

Using lead aprons is a quintessential example of shielding in radiation safety. Shielding refers to techniques that utilize materials to absorb or block radiation, thereby protecting individuals from harmful exposure. Lead, being a dense and heavy material, is particularly effective at attenuating gamma rays and X-rays, which are common forms of radiation encountered in medical and industrial settings.

The use of lead aprons during procedures that involve radiation, such as X-rays or fluoroscopy, effectively reduces the amount of radiation that reaches the body, significantly lowering the risk of radiation-induced harm. This practice is crucial for both patients and healthcare providers, ensuring safety while minimizing exposure during necessary diagnostic or therapeutic procedures.

Other options, like increasing exposure time, standing close to the radiation source, or ignoring protective equipment, all increase the risk of radiation exposure and are contrary to the principles of radiation safety. The emphasis on using protective measures, like lead aprons, underscores the importance of proactive steps to protect individuals from the dangers associated with radiation.