Final answer:
Fluid bolus is given for volume expansion in pediatric patients, and intravenous fluids are given to a dehydrated human patient.
Step-by-step explanation:
For volume expansion in the pediatric patient, a rapid bolus of fluid should be given initially followed by additional boluses if needed.
When a dehydrated human patient needs to be given fluids intravenously, intravenous (IV) fluids are usually administered.
Dehydrated, intravenous fluids, bolus