How Does Rise in Intracellular Sodium Concentration Affect the Resting

question 21

Multiple Choice

How does rise in intracellular sodium concentration affect the resting membrane potential through the activity of the sodium-potassium exchange pump?

• A) It would trigger membrane depolarization.
• B) It would not lead to significant changes in the resting membrane potential.
• C) It would trigger membrane hyperpolarization.
• D) It would change the stoichiometry of the transport process.
• E) It would promote phosphorylation and desphosphorylation of the pump, which would make the cell membrane leakier.

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