The Nernst potentials for Na+ and K+ are AV Na+= +65mV and AV+= -95mV. The cell has a resting potential m = -70mV. Ignoring Cl, what can you conclude for the membrane permeabilities?
(A) PK << PNa
(B) PNa <<< PK
(C) PK ≈ PNa

Q&A Education