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Medical Terminology

Fluids and Electrolyte Balance

TermDefinition
Active Transport Moves solutes against opposing force
Passive Transport Movement of solvent and solute across a membrane
Tonicity Concentration
Isotonic Solute concentration = Osmotic pressure =
Hypotonic Solute concentration stronger Osmotic pressure stronger
Hypertonic Solute concentration weaker Osmotic pressure weaker
Sodium Potassium Ion Pump
Diffusion Movement of solutes(solids)
Osmosis Movement of solvents(water)
Filtration Movement of solvents and solutes
Solvent Liquid which dissolves solutes
Solute Substance dissolved in a solvent
Hydrostatic Pressure Pushes
Osmotic Pressure Pulls
Acid Base Balance
Extracellular Fluid Fluid stored outside the cell/most critical to regulate,1/3 of all body fluids Electrolyte
Intracellular Fluid Fluid stored inside the cell,2/3 of all body fluid Electrolyte
Ion
Cations +charged protons/electrons
Anions -charged electrons/protons
Overhydration Fluid Volume Excess
Edema General term for overhydration
Ascites Excess fluid in peritoneal cavity
Hypervolemia Excess fluid in the blood
Pulmonary Edema Fluid in the lungs
Anascara Uncontrolled systemic edema
RAA System Renin,Angiotensin,Aldosterone
Intravascular Fluid Inside of cell
Interstitial Fluid In between cells
Euvolemic Input=Output
Positive Feedback Not homeostatic. Body intensifies 1st stimulus. Ex. Giving birth, blood clotting
Negative Feedback Body reverses original stimulus to regain balance
Feedback Systems Nervous system, Endocrine System
Electrolytes Substances which dissolve in H2O. Carry electrical charge
Homeostasis
Created by: dross61