The Following Questions Refer to Comparative Concentrations, Permeabilities, and Potentials

Multiple Choice

The following questions refer to comparative concentrations, permeabilities, and potentials under various circumstances. Indicate the relationship between the two items listed in each situation by following answer code.
-A. concentration of Na? in the extracellular fluid
B. concentration of Na? in the intracellular fluid of a resting nerve cell

A) A is greater than B
B) B is greater than A
C) A and B are equal