Which of These Statements Concerning a Threshold Potential Is Correct

Which of these statements concerning a threshold potential is correct?

A) It is the potential achieved when two opposing forces acting upon an ion (concentration and electrical gradients) achieve a state of equilibrium.
B) It is the peak potential achieved during an action potential.
C) It is the point at which there is an explosive increase in Na⁺ permeability.
D) It is the potential at which K⁺ permeability increases.

Correct Answer:

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