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Body fluids | electrolytes

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5.1 Explanation about fluid fluid

Body fluid, bodily fluids, or biofluids are liquids originating from inside the bodies of living people. They include fluids that are excreted or secreted from the body as well as body water that normally is not.  (read more at wikimedia.org)

The cytosol or intracellular fluid (ICF) or cytoplasmic matrix is the liquid found inside cells. It is separated into compartments by membranes. For example, the mitochondrial matrix separates the mitochondrion into compartments. (read more at wikimedia.org)

Extracellular fluid (ECF) or extracellular fluid volume (ECFV) usually denotes all body fluid outside of the cells. The remainder is called intracellular fluid. (read more at wikimedia.org)

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5.2 Important functions of body fluids

5.3 Body fluids and electrolytes

5.4 Acid-base balance

5.5 Fluid and electrolyte imbalances

5.6 Ways of replacement

Fluid replacement or fluid resuscitation is the medical practice of replenishing bodily fluid lost through sweating, bleeding, fluid shifts or other pathologic processes. Fluids can be replaced with oral rehydration therapy (drinking), intravenous therapy, rectally such as with a Murphy drip, or by hypodermoclysis, the direct injection of fluid into the subcutaneous tissue. Fluids administered by the oral and hypodermic routes are absorbed more slowly than those given intravenously. (read more at wikimedia.org)

5.7 Types of rehydration solution

Hypertonic refers to a greater concentration. In biology, a hypertonic solution is one with a higher concentration of solutes outside the cell than inside the cell. When a cell is immersed into a hypertonic solution, the tendency is for water to flow out of the cell in order to balance the concentration of the solutes. (read more at wikimedia.org)

Review: Cells in Hypertonic Solutions | phschool.com

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Hypotonic refers to a lesser concentration. In biology, a hypotonic solution has a lower concentration of solutes outside the cell than inside the cell. In an attempt to balance the concentrations of solutes inside and outside the cell, water will rush into the cell, causing it to swell and possibly burst (read more at wikimedia.org)

Review: Cells in Hypotonic Solutions | phschool.com

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An isotonic solution is one in which its effective osmole concentration is the same as the solute concentration of a cell. In this case the cell neither swells nor shrinks because there is no concentration gradient for water across the cell membrane. Water molecules diffuse through the plasma membrane in both directions, and as the rate of water diffusion is the same in each direction that cell will neither gain nor lose water. An ISO-osmolar solution can be hypotonic if the solute is able to penetrate the cell membrane. (read more at wikimedia.org)

Review: Cells in Isotonic Solutions | phschool.com


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