Fluid/Electrolyte/acid Base Balance

Fluid Electrolyte Balance
Created Feb 20, 2010
by paperklutz
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hydrophilic
A molecule that is polar and  attracts water and easily dissolves in water.
hydrophobic
molecule that don't dissolve in water because they are nonpolar (lipids)
Phospholipid
part of plasma membrane with hydrophilic heads and hydrophobic tails facing inward, sandwich...
ICF2
2/3 of our fulids in ICF. chemical reactions for metabolism happen here, overall negative charge....
ECF
all body fluid outside of the cells. 1/3 of our fluid. Major molecules: **NA+**, NACO3-, Cl-
interstital fluid
Fluid outside of the 80% of our ECF is interstitial. 
Hydrostatic pressure
forces fluid out of a space due to pressure. 
osmotic pressure
fluid flows into a space via osmosis (presence of solutes)
osmosis
movement of water from an area of lower solute concentration to an area of higher concentration
Osmolarity
unit of concentration, measured in Osmoles per Liter (think moles from chemistry)
water balance
daily water intake must equal output. water gain vs. water loss.
water gain
in hypothalmus monitor ECF osmolarity and when it gets too high, it stimulates the cortex to...
water loss
negative feedback loop between hypothalmus and kidneys. kidneys reabsorb water if too much...
sensible/insensible water loss
sensible - noticeable, sweat, urine, feces, etc. insensible - light perspiration, and respiration.
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