Table of Contents
What is an example of isotonic solution?
Common examples of isotonic solutions are 0.9% normal saline and lactated ringers. These fluids are useful when the patient has lost fluid volume from blood loss, trauma, or dehydration due to excessive nausea/vomiting or diarrhea.
Is pure water isotonic or hypotonic?
A solution with the same concentration as some other solution is called isotonic (iso- means equal). In general, pure water will be hypotonic in comparison with any solution, because it contains no solute whatsoever.
Is water a hypotonic solution example?
An example of a hypotonic solution is pure water, which contains no solute and thus is hypotonic compared to cells.
Which is isotonic solution?
Isotonic solution: A solution that has the same salt concentration as cells and blood. Isotonic solutions are commonly used as intravenously infused fluids in hospitalized patients.
Is water an isotonic solution?
Isotonic solutions have the same water concentration on both sides of the cell membrane. Blood is isotonic. Tapwater and pure water are hypotonic. A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.
What fluids are isotonic?
Isotonic fluids
- 0.9% Saline.
- 5% dextrose in water (D5W)**also used as a hypotonic solution after it is administered because the body absorbs the dextrose BUT it is considered isotonic)
- 5% Dextrose in 0.225% saline (D5W1/4NS)
- Lactated Ringer’s.
What does it mean for water to be isotonic?
An isotonic solution is one that has the same osmolarity, or solute concentration, as another solution. If these two solutions are separated by a semipermeable membrane, water will flow in equal parts out of each solution and into the other.
How do you know if a solution is isotonic?
If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell’s volume will remain stable. If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.
What is isotonic fluid?
Isotonic solutions are IV fluids that have a similar concentration of dissolved particles as blood. An example of an isotonic IV solution is 0.9% Normal Saline (0.9% NaCl). Isotonic solutions are used for patients with fluid volume deficit (also called hypovolemia) to raise their blood pressure.
What does water do in an isotonic solution?
An isotonic solution (for example, the ECF) has the same osmotic pressure as the ICF. Under these conditions, water passes back and forth across the semipermeable membrane to keep the cell in equilibrium with the surroundings.