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    Campbell Biology Concepts Connections
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    Exam 28: Nervous Systems
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    Once the Threshold Is Reached as a Cell Depolarizes
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Once the Threshold Is Reached as a Cell Depolarizes

Question 73

Question 73

Multiple Choice

Once the threshold is reached as a cell depolarizes


A) K+ channels open.
B) Na+ channels close.
C) an action potential is triggered.
D) the interior of the cell becomes negative with respect to the outside.

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