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What Happens When the Resting Nerve Is Stimulated to Threshold

Question 49

Multiple Choice

What happens when the resting nerve is stimulated to threshold potential?


A) The efflux of K+ restores the resting membrane potential.
B) An action potential fires.
C) The Na+/K+ pump further depolarizes the cell.
D) The membrane permeability to Na+ decreases.

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