Membrane Potential Cannot Exceed +30 MV Because at This Level

question 74

Multiple Choice

Membrane potential cannot exceed +30 mV because at this level, voltage-gated sodium channels close, and ____.

• A)potassium moves across the cell membrane via passive transport proteins
• B)sodium moves across the cell membrane via passive transport proteins
• C)potassium gated channels open
• D)potassium flows into the cytoplasm
• E)the action potential is not propagated

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