68. In a neuron at rest, which of the following is true?
(A) Leakage of sodium ions into the neuron is greater than leakage of potassium ions out of the neuron.
(B) Leakage of sodium ions out of the neuron is greater than leakage of potassium ions into the neuron.
(C) Leakage of potassium ions into the neuron is greater than leakage of sodium ions out of the neuron.
(D) Leakage of potassium ions out of the neuron is greater than leakage of sodium ions into the neuron.
(E) Leakage of potassium ions out of the neuron is equivalent to leakage of sodium ions into the neuron.
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