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What is the event that creates the absolute refractory period?

a.Potassium leak channels close

b.Calcium voltage-channels close

c.Sodium voltage-gated channels inactivate and will not open until the membrane potential drops below threshold

d.Localized ion concentrations become imbalanced so abnormal current flows result

e.Potassium blocks the voltage-gated sodium channels, and continues to do so until removed by the Na+/K+ pump

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Category:- Biology
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