TON KINSBERGEN / SCIENCE PHOTO LIBRARY TON KINSBERGEN / SCIENCE PHOTO LIBRARY
Intravenous drip with a three-way valve. Off top (not seen) is a bag of fluid that is the main reservoir for the drip. The two tubes at left lead to different areas of the patient. The third tube is connected to a syringe that can be used to add a dose of drugs to the mixture. The drip is used to administer fluids through these tubes to the patient. The fluid may be saline, which is used to replace body fluids in dehydrated patients, or the fluid may contains drugs.
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