Not all people can automatically filter out unecessary information
people may have additional challenges that make it harder to comprehend
people are busy with survival and do not need information
can all be true
but in a emergency situation the person will listen more closely because they need the information badly
Well if they are a slight unconscious then you ask simple questions like. whats the date? do you know your name? things like that but if they are full blown out and can not move talk or anything else then you get help and ask for someone to call 911
True. it will run out of food for energy so it will start to use those things