Final answer:
In the event of a fire, the best action to take when alone with an immobile resident in immediate danger is to place them in a blanket and pull them to a safe area.
Step-by-step explanation:
In the event of a fire where you are alone with an immobile resident in immediate danger, the best action to take is to place a blanket on the floor, place the resident in the blanket, wrap it around the resident, and pull the person to a safe area. This method can help protect both you and the resident from the fire. It is important to avoid leaving the room and looking for help, as this may expose both of you to further danger.