Intravenous Fluids : Nursing Course


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A commonly infused hypotonic solution is:

.45 sodium chloride

Rationale: A hypotonic solution puts more water in the serum that what is found inside of the cells. This results in water moving into the cells, which causes them to swell. .45 sodium chloride is a commonly used hypotonic solution in the medical setting. It may also have dextrose or potassium added to it in order to replace electrolytes that have been lost, usually through the gastrointestinal system. Hypotonic solutions are often given to patients to replace fluid volume, but should be stopped when a patient is able to drink enough to meet their fluid needs.


Most fluid in the body is found in the:

intracellular compartment

Rationale: About 40% of body weight is made up of fluid, and is found in the intracellular compartment. This means that the fluid is found in the cells of the body. When infusing IV fluid to a patient, it is important to consider why the fluids are being administered, and where the fluid needs to be added in the body. There needs to be a balance of fluid in the intracellular and extracellular compartments, so close observation is required for patients receiving IV fluids.


A crystalloid solution with an osmolarity higher than serum is:

hypertonic solution

Rationale:

A crystalloid solution that has an osmolarity lower than serum is:

hypotonic

Rationale:

A crystalloid solution that has an osmolarity about equal to serum is:

isotonic solution

Rationale:

An example of a hypertonic solution is one that contains more than:

10% dextrose

Rationale:

Fluid that is outside of the cells, such as intravascular fluid, interstitial fluid, and transcellular fluid is in the:

extracellular compartment

Rationale:

Fluid moves between the intracellular and extracellular compartments through:

osmosis

Rationale:

The two different classifications of IV fluids are:

crystalloid and colloid

Rationale:

An example of a commonly used isotonic solution is:

.9 sodium chloride

Rationale:

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