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Refer to the Figure, Which Shows Two Voltage-Gated Na+ Channels

Question 5

Multiple Choice

Refer to the figure, which shows two voltage-gated Na+ channels (in blue) in the center.
Refer to the figure, which shows two voltage-gated Na<sup>+</sup> channels (in blue)  in the center.   What is taking place in this figure? A)  A depolarizing force is bringing the membrane closer to threshold. B)  The voltage-gated Na<sup>+</sup> channels have opened, and action potential is triggered. C)  The open Na<sup>+ </sup>channels have created the resting potential. D)  The open Na<sup>+ </sup>channels have produced afterpotential. What is taking place in this figure?


A) A depolarizing force is bringing the membrane closer to threshold.
B) The voltage-gated Na+ channels have opened, and action potential is triggered.
C) The open Na+ channels have created the resting potential.
D) The open Na+ channels have produced afterpotential.

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