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.
Because it is programmed to go to where it is supposed to go. I believe it is programmed to go to the heart.
Osteoporosis is the correct answer I think
Base trigger (gatillo base)
