NERVOUS SYSTEM SPECIAL SENSE
PERIPHERAL NERVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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At rest, a neuron has a ____ charge on the inside of the cell and a ____ charge on the outside.
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positive, negative
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negative, positive
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negative, neutral
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positive, neutral
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Explanation:
Detailed explanation-1: -A neuron at rest is negatively charged: the inside of a cell is approximately 70 millivolts more negative than the outside (−70 mV, note that this number varies by neuron type and by species).
Detailed explanation-2: -Key Points. When the neuronal membrane is at rest, the resting potential is negative due to the accumulation of more sodium ions outside the cell than potassium ions inside the cell.
There is 1 question to complete.