At the K⁺ Equilibrium Potential, the Electrostatic Pressure Pulling K⁺

question 14

Multiple Choice

At the K⁺ equilibrium potential, the electrostatic pressure pulling K⁺ ions into the neuron is balanced by the concentration gradient pushing them out; at this point, the resting membrane potential is about _______.

• A) -65 mV
• B) -40 mV
• C) +40 mV
• D) +100 mV

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