CHRIS GALLAGHER / SCIENCE PHOTO LIBRARY CHRIS GALLAGHER / SCIENCE PHOTO LIBRARY
Intravenous (IV) drip bag. Hand raising an intravenous (IV) drip bag containing .9%, sodium chloride solution and plastic tubing. When in use, a tube carries the solution into the bloodstream, usually through veins in the forearm. Saline and glucose are used to maintain body fluids in patients who are unable to eat or drink. An intravenous infusion, or drip, may also be used to provide nutrients, to administer certain drugs, or to replace lost blood and plasma. The rate at which the saline enters the circulation is controlled by an adjustable valve.
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