Multiple Choice
Which of the following occurs first during an action potential?
A) Many sodium ions flow into the neuron.
B) Voltage-gated sodium channels open.
C) A local disturbance triggers the resting voltage to exceed the threshold level.
D) The interior of the neuron becomes positive.
E) The interior of the neuron becomes negative.
Correct Answer:
Verified
Correct Answer:
Verified
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