Um...I was afraid if you figured out major trauma takes about five minutes to do more than sting really hard...
Well, that and that nasty grating feeling bone ends make....but it takes a bit for you to feel it.
maybe, maybe not, depends on the trauma, the releace of adrenilin, the concious state of the pt and a heep of other factors.
for instance someone who is blown up but who only gets superfical to partial thickness burns but to a large percentage of there body (thats concidered major trauma especially if the burns are to the face) will be in HUGE amounts of pain quickly and the pain wont deminish unless major shock sets in (or you give analgisics), cuts on the other hand i belive tend to depend on how they are caused, the sharper the instriment the longer pain free, spinal injuries tend not to hurt at all (unfortunatly, pain is good in those cirumstances)
Pain responces tend to be personal, all this is rather achademic though because i have never come across any victoms of trauma where they WERNT in pain imidiatly (and i volenteer at BMX so im there when it happens, not just ariving latter with the ambulance service)