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dsvcbhdjnskl dsvcbhdjnskl
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6 years ago
What action tends to open the sodium gates across a neuron's membrane?
 
  a. hyperpolarization of the membrane
 b. depolarization of the membrane
 c. increase in the sodium concentration outside the neuron
 d. passing the peak of the action potential and entering the refractory period
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6 years ago
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