A Nerve Is Polarized or in a Resting State When

question 2

Multiple Choice

A nerve is polarized or in a resting state when:

• A) there exists a change in the ion balance and the nerve membrane becomes more permeable to sodium.
• B) the nerve membrane becomes less permeable to sodium.
• C) there is a balance between the sodium (Na+) ion on the outside of the nerve membrane and the potassium (K+) ion on the inside of the nerve membrane.
• D) sodium (Na+) and calcium (Ca++) ions are in a state of balance within the nerve membrane.
• E) sodium (Na+) and potassium (K+) ions are in a state of balance within the nerve membrane.

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