A bed shield must be kept at what location to ensure optimal effectiveness?

The optimal effectiveness of a bed shield in a medical setting, particularly in radiation therapy, is achieved when it is positioned as close to the patient bed as possible. This proximity allows the shield to absorb or deflect as much radiation as possible, thereby minimizing the dose that could potentially reach the patient or surrounding personnel.

By placing the bed shield near the patient, it can effectively protect sensitive organs or tissues that are not the target of treatment. Additionally, this close placement helps in maintaining an optimal treatment geometry, ensuring that radiation is delivered precisely while reducing exposure to non-target areas.

Maintaining the shield close to the patient bed is crucial for maximizing safety and efficacy in treatments involving radiation. Therefore, this positioning is key to ensuring that the protective measures in place are functioning at their best.