| 1. | During ventricle contraction ( QRS complex ), the heart depolarizes.
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| 2. | This influx of sodium depolarizes the formerly polarized cell membrane.
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| 3. | In addition, the transporter may contribute to dopamine release when the neuron depolarizes.
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| 4. | If this neuron depolarizes the presynaptic axon, it allows the signal to be transmitted.
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| 5. | When the MEP depolarizes the muscle fiber releases calcium initiating the process of muscle contraction.
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| 6. | It depolarizes at-30mV and helps define the shape of the action potential in cardiac and smooth muscle.
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| 7. | Opening of Na + channels allows Na + inflow, which, in turn, further depolarizes the membrane.
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| 8. | Even if a current depolarizes a cell, it will inhibit the cell if its reversal potential is below threshold.
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| 9. | In mammalian neurons, opening of the ion channels depolarizes the afferent neuron producing an action potential with sufficient depolarization.
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| 10. | Latency is decreased with an increased depolarizing current, which overruns the outward ohmic current and more quickly depolarizes the membrane.
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