Balliet fall 2010
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| which ions are higher OUTSIDE the cell? | K, Mg, H, PO3-, sulfate, Protein
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| Which ions are higher OUTSIDE | Na, Ca2+, HCO3-, Cl-
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| What is the charge when the membrane is only permeable to POTASSIUM? | -94mV
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| What is the charge when the membrane is only permeable to SODIUM? | +61mV
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| Electrical potential that counters net diffusion of Na/K is called? | Na/K equilibrium potential
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| Why is the Vm so close to Ek? | Membrane is more permeable to K than Na
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| Na/K Nernst Potential | Ek = -61 log (Nai/Nao) or -61 log (Ki/Ko)
[if a (-) ion (ex Cl) then chg (-) to (=)]
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Created by:
mrw2013
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