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15 Cards in this Set
- Front
- Back
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What are the function of body fluids?
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Transport nutrients, waste removal, cell metabolism, body temp. regulation, lubrication of joints, solvent, present in all body cavities.
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A cell & its surrounding environment in any part of the body are primarily composed of?
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Fluids (water & solutes)
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Total body water (TBW)=?
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60% of total body weight in kg.
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As we age what happens to the total amount of muscle & fat?
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Lose muscle
Gain Fat (less water) |
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What is the TBW % of infants?
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75-80% at birth
67% at 1yr |
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Intracellular fluid volume (ICF) accounts for how much TBW?
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2/3 TBW (total body water)
(40% of total body weight) |
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Extracellular fluid volume(ECF) accounts for how much TBW?
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1/3 TBW (total body water)
(20% of total body weight) |
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What are the body water compartments?
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Extracellular Fluid Compartment (ECF)
Interstitial fluid Intravascular fluid Intracellular Fluid Compartment (ICF) |
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How much fluid does the average person take in daily?
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2400-3200ml
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Where does the fluid come from?
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Normal dietary intake
Ingested fluids & water By-products of metabolism |
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How is water lost?
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Insensible water loss (respiration)
Renal excretion (main source) |
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What mechanisms work in concert to maintain fluid balance?
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Neural & Hormonal
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What factors influence the movement of fluids from one compartment to another?
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Hydrostatic Pressure
Osmotic Pressure |
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What is the pressure of blood?
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Hydrostatic Pressure
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What causes fluid to leave the plasma & enter the interstitial spaces?
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Hydrostatic Pressure
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