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16 Cards in this Set
- Front
- Back
Acid
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Solution containing a high number of hydrogen ions
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Acid-Base Balance
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Homeostasis of the hydrogen ion concentration of the body fluids
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Active Transport
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Movement of solutes across membranes; requires the expenditure of energy
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Base
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Solution containing a lower number of hydrogen ions
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Diffusion
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Random movement of particles in all directions through a solution
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Electrolyte
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Substance that develops an electrical charge when dissolved in water
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Extracellular Fluid
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Fluid outside the cell
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Filtration
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Transfer of water and solutes through a membrane from a region of high pressure to a region of low pressure
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Fluid Volume Deficit
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Abnormally decreased volume of body water; 2 types: isotonic extracellular fluid deficit(hypovolemia) and hypertonic extracellular fluid deficit (dehydration) |
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Fluid Volume Excess
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Abnormally increased volume of body water; 2 types: extracellular fluid excess (isotonic fluid excess) and intracellular water excess (hypotonic fluid excess)
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Homeostasis
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Tendency of the biologic system to maintain stability of the internal environment while continually adjusting to changes necessary for survival
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Intracellular Fluid
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Fluid within the cell
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Osmolality
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Concentration of a solution; is measured as the number of dissolved particles per kilogram of water
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Osmolarity
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Concentration of a solution; is measured as the number of dissolved particles per liter of solution
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Osmosis
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Movement of water across a membrane from a less concentrated solution to a more concentrated solution
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Selectively Permeable Membrane
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Membranes that separate fluid compartments of the body and regulate movement of water and certain solutes from one compartment to another
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