. Given the following concentrations: K* ICF 140 mM Na* 12 mM 145 mM 120 mM CF 12 mM ECF 3 mM a) Calculate the equilibrium potentials of K, Na" and Cl using the Nernst equation. EK = ENa= EC = %3D %3D b) In the case above, if the membrane is permeable only to K, what would be the predicted membrane potential? c) If the membrane is equally permeable to K* and Na", and impermeable to all other ions, what would be the predicted membrane potential?

. Given the following concentrations: K* ICF 140 mM Na* 12 mM 145 mM 120 mM CF 12 mM ECF 3 mM a) Calculate the equilibrium potentials of K, Na" and Cl using the Nernst equation. EK = ENa= EC = %3D %3D b) In the case above, if the membrane is permeable only to K, what would be the predicted membrane potential? c) If the membrane is equally permeable to K* and Na", and impermeable to all other ions, what would be the predicted membrane potential?

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter3: The Plasma Membrane And Membrane Potential

Section: Chapter Questions

Problem 2TAHL: Assume that a membrane permeable to Na+ but not to Cl- separates two solutions. The concentration of...

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