The equilibrium potential for potassium (ek ) will increase if the concentration of that ion increased outside of a cell. (Option A).
It is to be noted that a decline would occur only if the concentration difference between the interior and outside were bigger, but the question assumes they grow less dissimilar.
What is equilibrium potential?
The situation in which the tendency of ions (electrically charged particles) to flow across a cell membrane from high concentration areas is perfectly balanced by the opposing potential difference (electric charge) across the membrane is referred to as equilibrium potential.
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Full Question:
How would the equilibrium potential for potassium (Ek+) change if the concentration of that ion increased outside of a cell?
A) Increase
B) Decrease
C) Stay the same
