Refer the figure to answer the question. Identify the region where all Na+ channels are reactivated, but closed and all K+ channels are closed.
A
D
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B
C
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C
B
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D
A
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Solution
The correct option is B C In the given figure the polarisation depolarisation and repolarisation curve is shown.
From the figure, it is clear that point (C) or repolarisation is the state where all the Na+ channels are reactivated but closed and all K+ channel are closed.