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8 Cards in this Set

  • Front
  • Back
Water is divided into 2 compartments known as:
Extracellular Fluid- 15L
Intracellular Fluid- 25L, also includes interstitial space
4 important processes involved with fluid and electrolyte balance
filtration, diffusion, osmosis, active transport
movement of fluid through a cell or blood vessel membrane because of hydrostatic pressure
differences of both sides of the membrane.
-limited to solvent
-usually occurs from capillaries
-occurs rapidly with steep gradients
movement of particles (solute) across a permeable membrane down a concentration gradient (High to Low)
-not pressure dependent
-maintains tissue nutrition
-occurs rapidly with steep gradients
-occurs in both directions
Brownian Motion
kinetic energy of molecular movement
vibration of single molecules
Facilitated Diffusion
diffusion that requires the assistance of transport system (i.e. insulin)
movement of water only (solvent)
occurs rapidly with steep gradients
Active Transport
The movement of a substance across a selectively permeable membrane and against a concentrations, electrical, or pressure gradient
-requires energy
-requires transport system (pump)
-helps maintain special intercellular environment