Hypothermia is diagnosed when the body temperature ridges below 95 F (35 C)
She has suffered an knee scrape and maybe twisted her foot,with the first aid kit you can clean the possible blood and get the cloth to secure he foot and use the phone to call the hospital or 911 and wait and comfort your friend into the medical people arrive.
Most likely 1. developmentally delayed
The most likely answer would probably be "more likely to be depressed."