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Molarity
Concentration relative to the solute's molecular weight and total solution volume
Osmoles
Number of solute particles
e.g. 2.5 mmol CaCl2 = 3particles x 2.5 = 7.5 mosm CaCl2
Osmolarity
Solute particles/1L (temperature dependent)
Equivalents
Used to refer to fluid and electrolyte homeostasis
Relative to valance of ions
2.5 mM CaCl2 where Ca2+ and Cl- =
5mEq of Ca (2.5 x 2+)
and
5mEq of Cl (2.5x2Cl-)
Isotonic
Normal osmolarity
Osmolarity same within and surrounding the compartment
Hypotonic
Compartment has a lower concentration of solutes than its surroundings
Water/solvent will flow out of compartment
Cells will shrink
Hypertonic
Cell has a greater solute conentration than what it's surrounded by
Water will rush into the cell to balance osmolarity
Cells will swell
Author
hellosleepy
ID
167512
Card Set
Physiology
Description
Terms
Updated
2012-08-26T17:38:12Z
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