Question: Decreasing the extracellular K+ concentration would be expected to have which of the following effects on the resting membrane potential and excitability of the cell?
a. Vm and excitability would both be unchanged
b. Vm would be hyperpolarized and the cell would be less excitable
c. Vm would be hyperpolarized and the cell would be more excitable
d. Vm would be depolarized and the cell would be less excitable
e. Vm would be depolarized and the cell would be more excitable