If the potassium permeability of a resting neuron increases above the resting permeability, what effect will this have on the transmembrane potential?
A) The inside of the membrane will become more positive.
B) The inside of the membrane will become more negative.
C) There will be almost no effect on transmembrane potential.
D) The membrane will become depolarized.
E) none of the above

Question

Quizplus · Accepted Answer

An increase in potassium permeability will lead to an efflux of potassium ions from the interior of the neuron to the extracellular fluid, causing an increase in negativity inside the cell. This will result in hyperpolarization of the membrane potential, making the inside of the membrane more negative.

If the Potassium Permeability of a Resting Neuron Increases Above