Final answer:
Fluid resuscitation is given to a dehydrated human patient when they need to be given fluids intravenously.
Step-by-step explanation:
When a dehydrated human patient needs to be given fluids intravenously, the appropriate treatment is fluid resuscitation. Fluid resuscitation involves the administration of fluids directly into the veins to restore normal fluid balance and hydration. This can be done using isotonic saline solution or other fluids depending on the specific needs of the patient.