I'm calculating the equilibrium potentials of sodium ions and potassium ions using the Nernst equation. In...

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Medical Sciences

I'm calculating the equilibrium potentials of sodiumions and potassium ions using the Nernst equation. In the problem Ijust did, I calculated Ena= +69.9 mV and Ek=-92.0 mV.
The next part of the question asks, \"If the conditionsare the same as above, at which membrane potential would you expectthe movement of the Na and K ions to cancel each other out andthere be no net change in membrane potential?\"
Do I average their equilibrium potentials or is itmore complicated than that?

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3.7 Ratings (619 Votes)

Equilibrium potential is the electric potential difference which counter acts the movement of ions by diffusion due to concentration gradient Positive and negative signs for equilibrium potential is indicative of the direction of membrane potential For instance See Answer

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