Multiple Choice
When potassium ion channels open, which of the following occurs?
A) Potassium ions flow into the axon cytoplasm.
B) The axon cytoplasm becomes more negatively charged.
C) Sodium ions diffuse into the axon cytoplasm.
D) The threshold potential is reached.
E) More sodium channels open.
Correct Answer:

Verified
Correct Answer:
Verified
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