What is the priority nursing action for a green-tagged client after a mass casualty incident involving radiation?

The priority nursing action for a green-tagged client following a mass casualty incident involving radiation is implementing decontamination measures. In the context of a radiation incident, decontamination is critical to remove radioactive materials from a person's body or clothing. This is essential to prevent further exposure to radiation, protect both the individual and the healthcare providers, and to limit the spread of contamination.

Green-tagged clients are typically classified as having minor injuries that do not require immediate life-saving interventions. However, in cases of radiation exposure, even minor injuries can be exacerbated by radioactive contamination. Thus, ensuring that the client is properly decontaminated takes precedence over other actions, such as providing medication, assessing vital signs, or obtaining a medical history. These other actions can be performed after the decontamination process to ensure that the client is safe and the environment is secure for healthcare workers.

In disasters involving radiation, controlling contamination is crucial, and this priority reflects the need for swift action to mitigate risks.