Hydration is the process by which required fluids are replaced in the body through the use of an intravenous infusion which consists of pre-packaged fluids and electrolytes. The main importance of hydration intravenous infusion is to hydrate a body system so as to avoid dehydration which could lead to other infections and even death.
Before hydration can be administered to a patient, he/ she must have a record of either lack of or poor fluid intake or excessive loss of fluid over a period of time.
Depending on what grade you are, maybe. If you are in sixth grade or lower, yes. In seventh and higher, no. A question as a hook is taught in elementary school but should not be used in higher grade essays.
