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Which of the Following Is Responsible for the Falling Phase

Question 67

Multiple Choice

Which of the following is responsible for the falling phase of an action potential?


A) opening of Na+ gates
B) Na+-K+ pump restoring the ions to their original locations
C) greatly increased permeability to Na+
D) ATP-ase destroying the energy supply that was maintaining the action potential at its peak
E) none of these

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