Which of These Statements Describes a Threshold Potential

question 421

Multiple Choice

Which of these statements describes a threshold potential

• 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.

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