Calculate ENa for a neuron that has an extracellular concentration of Na+ of 78 mM and an intracellular concentration
of Na+ of 6 mM.
a. -68.0 mV
b. -1.14 mV
c. 1.14 mV
d. 31.6 mV
e. 68.0 mV
ANSWER: e
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