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Questions and Answers
Which of the following best defines depolarization?
Which of the following best defines depolarization?
- The membrane potential becomes more negative
- The inner side of the cell membrane becomes positive in relation to the outer side (correct)
- The membrane potential becomes more positive
- The outer side of the cell membrane becomes positive in relation to the inner side
What is the membrane potential during repolarization?
What is the membrane potential during repolarization?
- +35 mV
- -35 mV
- -70 mV (correct)
- 0 mV
What causes the stage of depolarization?
What causes the stage of depolarization?
- Opening of voltage-gated Na channels (correct)
- Stoppage of Na influx
- cK+ efflux
- Opening of voltage-gated K channels
What is the membrane potential during the resting state?
What is the membrane potential during the resting state?
What is repolarization?
What is repolarization?
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