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Funds Mod 3
| Term | Definition |
|---|---|
| Extracellular fluid | Include interstitial, intravascular, or transcellular fluids |
| Osmosis | A passive process whereby water (but not solutes) shifts across a selectively permeable membrane from an area of higher concentration to an area of lower concentration |
| Filtration | A passive process where by water and solutes shift across cell membranes from Ana area of higher net pressure to an area of lower net pressure |
| What 2 different kinds of pressure affect movement of fluids | Osmotic pressure and hydrostatic pressure |
| How does the renin-angiotensin system heâll regulate fluid in the body | By vasoconstriction and excretion or reabsorption of sodium and water |
| Antidiuretic hormone is released by what gland | Pituitary gland (in response to increased plasma osmolality and severely decreased plasma volume; works on negative feedback loop) |
| Fluid volume deficit (FVD) | Too little fluid in the intravascular and interstitial spaces of the body |
| 2 types of fluid volume deficit | Isotonic FVD - water and sodium lost in the same proportion as in normal body fluids Hypertonic FVD - proportionately more water than sodium is lost. |
| Severity of dehydration | 2% loss is mild dehydration 5% loss is moderate â 8% loss is severe â 15% loss is life-threatening, usually fatal |
| Fluid volume excess | |
| Sodium (Na+) | 135-145 |
| Potassium (K+) | 3.5-5.0 |
| Magnesium (Mg2+) | 1.5-2.5 |
| Calcium (Ca2+) | 8.5-10.0 |
| Chloride (CL-) | 95-105 |
| Phosphate | 2.8-4.5 |
Created by:
anay26643
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