Term
| What are the osmotic forces |
|
Definition
| Electrolytes, albumin- oncotic |
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Term
|
Definition
| Osmototic pressure, hydrostatic pressure |
|
|
Term
| what are some extracellular fluids |
|
Definition
interstitial between and around cells
intravascular
Transcellulat- organ secretion |
|
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Term
|
Definition
| substances or compounds that when dissolved in water dissociate into positvely and negatively charged ions (cations and anions) |
|
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Term
| what cation is in the interestial and intercellular fluid |
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Definition
|
|
Term
| what are some ways yhat fluid and electrolytes move |
|
Definition
|
|
Term
| what are the types of pressure |
|
Definition
|
|
Term
| what are the factors influecing water distribution |
|
Definition
membrane solubility
solutes- electrolytes
plasma protiens |
|
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Term
|
Definition
| pressure at the blood capilary membrane caused by protien that are in the plasma and interstitial fluids |
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Term
|
Definition
| low plasma protien cause water to leak from plasma to the interstitial space |
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|
Term
| normal range for body fluids |
|
Definition
|
|
Term
|
Definition
Electrolytes including NA K mg CL bicarbonate, phosphate, sulphate
|
|
|
Term
| What are the serum levels for Sodium and Potassium |
|
Definition
Na : 136-146 mEq/L
Pot: 3.5-5.0mEq/L |
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Term
|
Definition
| minimum fluid necessay to excrete solutes into urine. |
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|
Term
| Renal Solute load includes |
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Definition
|
|
Term
|
Definition
| the minimum volume of water needed for excretion because kidneys have a limited concentrating ability |
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Term
|
Definition
| Excretion of that fluid consumed in excess of the amount needed to excrete the RSL |
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|
Term
| Fluid INtake- how is it stimulated |
|
Definition
| osmolality increases or extracellular volume decreases |
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Term
|
Definition
| oxidation of food in the body |
|
|
Term
| methods for calculating liquid requirements |
|
Definition
1mL of fluid per kcal
average adult is about 30-35mL |
|
|
Term
| physiological regulation of fluid and electrolytes |
|
Definition
Thirst
Renal function
Hormonal influence |
|
|
Term
| what are the hormonal influences |
|
Definition
liver releases angiotensinogen
kidney secrete renin which cleaves to angiotensin 1
lungs secrete ACE which turns it into angiotensin 2
a2 drive thirst vasopression and vasoconstriction and stimulates the adrenal cortex
the Adrenal cortex secretes aldosterone which then inturn influences the kidney to retain fluids |
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Term
|
Definition
^ h2o permeability of distal tube. so more water is absorbed and there is less urine output
increse in plasma volume and lowers plasma osmolarity
drives ECF volume down and the arterial bp goes down |
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