Multiple Choice
What causes muscles to twitch?
A) depolarization of the muscle fiber produced by an influx of sodium ions
B) depolarization of the muscle fiber produced by an influx of potassium ions
C) hyperpolarization of the muscle fiber produced by an influx of calcium ions
D) hyperpolarization of the muscle fiber produced by an outflow of potassium ions
Correct Answer:
Verified
Correct Answer:
Verified
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