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4 Cards in this Set
- Front
- Back
What is electrical potential?
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A battery has electrical potential energy due to a separation of charge. |
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What is resting potential?
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The conditions that exist inside & outside a nerve fibre at rest (not transmitting an impulse). |
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What is action potential?
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If a neuron is stimulated, it conducts the nerve impulse through a series of A.P.’s (NB: just like knocking down dominos) Steps: Upswing, downswing, refractory period. |
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Why is there a polarization of the membrane during resting potential? |
Unequal distribution of Na+ and K+ ions. |