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Unformatted text preview: -Difference in protein concentration maintains concentration gradient Both intracellular and extracellular fluid contains 1. Electrolytes: when dissolved in solution, become ionic conductors (cations +, anions -) 2. Non-Electrolytes: do not become ionic conductors in solution. (ex. Glucose, urea) ECF ICF Not swelling: xxx xx xx xx Vasc. Interst. Swelling: xx xx xxx xx Vasc. Interst. Na + 142 mEq/L Na + 110 mEq/L K + 4 mEq/L K + 140 mEq/L Cl-104 mEq/L Cl-4 mEq/L Ca +2 5 mEq/L Ca +2 1 mEq/L writing concentration : *milliequivilants per liter = mEq/L Millimolar (expression of concentration w/o ionic charge) = mM ( ?) Why is potassium in large Q’s inside cell? 1. proteins- anions attract cations 2. why not sodium? Membrane is more permeable to K+ 3. sodium/potassium pump a. 2 K+ in per 3 Na+ out b. Moves things against concentration gradient K Q...
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- Spring '08
- Chemistry, Sodium, Ion