試題詳解

41. In a neuroscience lab, a student increased the concentration of K+ outside a neuron from 5 mM to 10 mM, while maintaining other ion concentrations as they were. What would happen to the neuron’s membrane potential?
(A) The membrane potential would become more negative.
(B) The membrane potential would become less negative.
(C) The membrane potential would remain the same.
(D) The membrane potential would be closer to the K+ equilibrium potential.
(E) There would be no potential difference across the membrane.