What Effect Would Increasing the Extracellular Concentration of K⁺ have

question 115

Multiple Choice

What effect would increasing the extracellular concentration of K⁺ have on the resting membrane potential (RMP) ?

• A) Increasing extracellular K⁺ will have no effect on the RMP because it displaces Na⁺.
• B) The RMP would become more negative.
• C) Increasing extracellular K⁺ will have no effect on the RMP because of the Na⁺/ K⁺ pump.
• D) The RMP would become more positive (less negative).
• E) The effects are really seen on the generating potential.

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