If the axolemma becomes more permeable to potassium ion,
A)the membrane will depolarize to threshold.
B)a stronger stimulus will be required to cause an action potential.
C)the membrane will depolarize to +30 mV.
D)sodium ions will enter the cell to replace the lost potassium ions.
E)the inside of the membrane will have a positive charge.

Question

Quizplus · Accepted Answer

If the axolemma becomes more permeable to potassium ions, more potassium will leave the cell, making the inside more negative (hyperpolarization). This means a stronger stimulus will be required to reach the threshold for an action potential.

If the Axolemma Becomes More Permeable to Potassium Ion