The answer is going to be 90%.
I haven't heard of PRICES method. I only know of PRICE which stands for P - protect
R - rest
I - ice
C - compress
E - elevate
However, since we are dealing with injuries, S can stand for SPLINT. You apply a splint on injuries with broken bones. This is to ensure that the edges of the broken bones will meld and mend together without any difficulty.
Answer:
Improve staff morale
Prevent the spread of infection and disease.
B and C I believe
Brain Trauma, Concussion, Coma the list continues
