Answer:
First, I would observe or survey if they have any bad or noticeable injuries, and or a heartbeat.
Next, i would check the abc's which are
(Awake, Breathing, Continue Care)
Then, I would have someone call an ambulance while I maintain contact with the said unconscious person.
If they were bleeding, I would control it by wrapping clothing material around the bleeding spot.
If they have a potential neck or back injury, I would make sure they are at a good elevation with no possible way of making them sore later on.
If they are OK and can go home, and just have a sprained ankle, I would explain how to care for it with the RICE principle which stands for.... Rest, ice, Compression, and Elevation.
Explanation: