Regarding Ions, Which of the Following Statements Is TRUE

question 9

Multiple Choice

Regarding ions, which of the following statements is TRUE?

• A)Ions are found only on the outside of the neuron until it is activated.
• B)Ions have a neutral charge, neither positive nor negative, until they are activated.
• C)When a neuron is inactive (or resting), more "plus" charges exist outside the neuron and more "minus" charges exist inside.
• D)Ions can be found only inside the neuron, which creates in your brain an electronic charge of about -10 millivolts.

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