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15 Cards in this Set

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Isotonic
Substances that are equal in concentration
Hypertonic
Increase in substance concentration
Hypotonic
decrease in substance concentration
Osmotic gradient
The difference in concentrations
Diffusion
Molecules moving from greater concentration to a lower concentration
Osmosis
Water passing through a semi-permeable membrane
Active transport
Movement of a substance against the osmotic gradient
Facilitated diffusion
Diffusion of a substance with the help of a carrier protein
Osmotic Pressue
A hypteronic substance that causes a "pull" from the other side
Hydrostatic pressure
Pressure exerted on the vessel walls by the contraction of the heart
Filtration
Movement of water into the interstitial space from the plasma
Net filtration
The total loss of water from blood plasma across the interstital space
PH
Potential for hydrogen, also a measurement of acidity
Acidosis
A PH over 7.35
high concentration of hydrogen
Alkalosis
Low concentration of hydrogen
a PH above 7.45