During Rapid Depolarization of a Ventricular Contractile Cell, the Voltage-Gated

question 75

Multiple Choice

During rapid depolarization of a ventricular contractile cell, the voltage-gated sodium channels close when the membrane potential reaches approximately

• A) -90 mV.
• B) -30 mV.
• C) 0 mV.
• D) +30 mV.
• E) +90 mV.

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