The increased salt concentration in the hypertonic saline is designed to keep the body in equilibrium by helping to reduce fluid buildup in the lungs, interstitial spaces and swelling in the extremities.
Diffusion/ Osmosis Lab Flashcards – Quizlet
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What would happen if you put pure water in an IV?
Osmosis is the movement of water from a dilute environment to a more concentrated one. So, pure water injected into an IV would diffuse via osmosis into the more concentrated environment inside red blood cells, make them swell up because of the excess water and eventually make them burst.
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What would happen if pure water was used as IV fluid instead of saline solution?
When a person receives fluids intravenously (through an IV bag, for example), a saline solution is sometime used. Giving large amounts of pure water directly into a vein would cause your blood cells to become hypotonic, possibly leading to death.
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Why is it important for IV fluids to be isotonic?
Isotonic IV Fluids Isotonic IV fluids are used to increase fluid volume due to blood loss, surgery, or dehydration .
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What is the appropriate NaCl concentration for IV fluid and why?
Isotonic Solutions An example of an isotonic IV solution is 0.9% Normal Saline (0.9% NaCl). Because the concentration of the IV fluid is similar to the blood, the fluid stays in the intravascular space and osmosis does not cause fluid movement between compartments.
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Can you put normal water in an IV?
Water can be replaced orally, however, it should never be given IV without additives to normalize tonicity, or hemolysis may occur.
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What happens if you flush an IV with sterile water?
Sterile water for injection can cause hemolysis when administered intravenously.
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What would happen if you drank pure water?
Essentially, if you only drink ultra pure water, you would lose many important electrolytes. Pure water acts as sponge and soaks up what’s around it, meaning that if you drank nothing but ultra pure water, the water would drink you back.
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Why does my IV burn?
This can be a sign of IV infiltration, which occurs when the fluids or medications are going into the tissue under your skin and not into your vein.
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Why is it important for intravenous solution to be isotonic?
Isotonic IV Fluids Isotonic IV fluids are used to increase fluid volume due to blood loss, surgery, or dehydration .
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Why would it be important to use an isotonic solution to hydrate a patient?
Isotonic IV solutions restore fluid volume because they fill the tissues and maintain fluid volume more effectively than hypertonic or hypotonic solutions.
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Should IV fluids be isotonic?
Most IV fluids are isotonic, meaning, they have the same concentration of solutes as blood plasma. When infused, isotonic solutions expand both the intracellular fluid and extracellular fluid spaces, equally.
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Why is isotonic important in clinical practice?
Isotonic solutions have the same density as body fluids, and can be used for infusion into a patient’s bloodstream without altering their blood volume or pressure. This means that isotonic solutions don’t dehydrate you as quickly as hypotonic or hypertonic solutions.
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What is appropriate NaCl concentration for IV fluid?
Normal saline is 0.9% saline. This means that there is 0.9 G of salt (NaCl) per 100 ml of solution, or 9 G per liter.
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What is 0.9 normal saline used for?
0.9% Normal Saline (NS, 0.9NaCl, or NSS) Normal saline infusion is used for extracellular fluid replacement (e.g., dehydration, hypovolemia, hemorrhage, sepsis), treatment of metabolic alkalosis in the presence of fluid loss, and for mild sodium depletion.
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Why is it important for an IV solution to have salts in it?
It is important for an IV solution to have salts in it in order to maintain the appropriate electrolyte balance in the blood. Normally, the blood has a very specific osmotic pressure, and adding a large amount of fluid without any dissolved solutes would decrease the osmolality of the plasma greatly.
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Which of the 4 most common IV fluids is used for hydration?
Normal Saline It’s the most widely used fluid because it’s the most effective fluid for the widest variety of conditions. It’s the fluid of choice for fluid resuscitation and works well for most hydration needs due to hemorrhage, vomiting, diarrhea, or even shock.
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What happens if water is used instead of saline solution?
When a person receives fluids intravenously (through an IV bag, for example), a saline solution is sometime used. Giving large amounts of pure water directly into a vein would cause your blood cells to become hypotonic, possibly leading to death.
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Why is saline solution used instead of pure water when dehydrated?
The simplest approach is to replace dehydration losses with 0.9% saline. This ensures that the administered fluid remains in the extracellular (intravascular) compartment, where it will do the most good to support blood pressure and peripheral perfusion.
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What would happen if the nurse used distilled water instead of saline solution?
What would happen if the nurse used distilled water instead? A. The distilled water solution would be hypotonic to your blood cells, so they would gain water, swell, and possibly burst.
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What would happen if water was IV?
Water can be replaced orally, however, it should never be given IV without additives to normalize tonicity, or hemolysis may occur.
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