Quiz 2

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  1. When you state that the neuron's membrane is polarized, you are reerring to a difference in electrical potential between:
    the inside and the outside of the membrane
  2. A membrane produces an action potential whenever the potential across it reaches what level?
    the threshold of excitation
  3. the resting potential of a neuron refers to:
    the net negative charge on the inside of the neuron
  4. when a membran is at rest, what attracts sodium ions to the inside of the cell?
    both an electrical gradient and a concentration gradient
  5. when the neuronal membrane is at rest, the sodium channels:
    are closed
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Quiz 2
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