JOSEPH NETTIS / SCIENCE PHOTO LIBRARY JOSEPH NETTIS / SCIENCE PHOTO LIBRARY
Intravenous drip bag for the administration of fluids to a patient, usually through a vein in the forearm. An intravenous infusion may contain saline, used to replace body fluids in dehydrated patients. Alternatively, drips may be used to give blood or plasma, to maintain body fluids in patients who are unable to eat or drink, or to administer certain drugs. The bag is suspended above the patient from this hook, and the fluid drips out of an adjustable valve in the base of the bag (not seen).
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