Final answer:
The nurse should prepare to care for a client that has been exposed to radiologic agents, such as those found in a dirty bomb.
Step-by-step explanation:
The nurse should prepare to care for a client that has been exposed to radiologic agents. In the given scenario, the client has been exposed to a 'dirty bomb,' which typically refers to a conventional explosive combined with radioactive materials. These types of bombs are designed to spread radioactive substances, causing potential harm to individuals in the vicinity.