Multiple Choice
Why is there a sudden large influx of calcium ions into a nerve terminal when the membrane potential repolarizes from a strong depolarization back to resting membrane potential?
A) The driving force for calcium entry is increased.
B) The driving force for calcium entry is decreased.
C) Calcium channels are opened by the repolarization.
D) Calcium channels are closed by the repolarization.
E) There is no change in the driving force for calcium entry.
Correct Answer:

Verified
Correct Answer:
Verified
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