Final answer:
In a trash can fire situation, the nurse should prioritize the safety of the non-ambulatory client by moving them to a safe area and calling for assistance.
Step-by-step explanation:
In the event of a trash can fire, the nurse should take action to ensure the safety of the non-ambulatory client and themselves. The next action the nurse should take is to move the client to a safe area and call for assistance. It is important to prioritize the safety of the client and follow proper emergency procedures to prevent further harm.