So, basically the question is asking what is the dose of a medication that is 2.5mg/kg.
Assuming that the child does NOT weigh 7171lbs but 71lbs; which would equal around 32kg (71 x 0.45).
So this child would have 2.5mg per 32kg. 32kg x 2.5= 80mg of medication.
I think case based nursing
Seat belts
Control
Awareness
I think (C):600
Explained: other sources say there is about 650 but if you count the muscles within a complex muscle then about 840