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Physiology > Osmolarity > Flashcards

Osmolarity Flashcards

1
Q

Osmolarity Equation

A

Sum of All Solutes/Volume of Water

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2
Q

Equivalents Equation

A

Sum of all Charges/Volume of Water

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3
Q

Serum Osmolality Equation

A

2*Na+BUN/2.8+glucose/18

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4
Q

Effective Osmole

A

Solute that can exert osmotic pressure - doesn’t permeate and is excluded

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5
Q

Major EC vs. IC Anions

A

Cl- and HCO3- vs. Proteins and Organic Phosphates

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6
Q

Big Diff b/w Plasma and Interstitium

A

Plasma has more prots

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7
Q

Gibbs-Donnan Forces

A

Act across membranes that are permeable to some ions but not others, shows IC osmolarity will exceed EC and thus cells will swell/burst if they don’t continually pump solutes out.

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Physiology (16 decks)

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