You respond to a warehouse where a man has fallen from a 10-…

You respond to a warehouse where a man has fallen from a 10-foot ladder. He is lying unresponsive on his side on the concrete floor. Without moving his head, you can see a small amount of blood on the floor under his head. According to the dispatcher, EMTs will arrive in approximately 7 minutes.   What are the components of scene size-up that you would need to consider in this scenario? Choose all correct answers for full credit.