depolarization and repolarization

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11 Terms

1
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at a certain point on membrane what causes a change in its electro-chemical nature (deopolarization)

stimulation

2
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what opens when it gets out of resting state (deopolarization)

the Na+ gates open which allow sodium ions towards the center of the neruon

3
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what mV does it change to (deopolarization)

60mV to 40mV

4
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what does it show up as on the oscilloscope (depolarization)

up swinging curve

5
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what is up-swing part of

Action potential

6
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while the sodium ions enter where do potassium ions go

outside the membrane through the K+ gate

7
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as the potassium ions move outside what does the net charge of the neuron return to

-60mV

8
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what is shown on the oscilloscope as the potassium ions move outside of the mebrane

Down-swing, repolarization

9
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what is repolarization part of

action potential

10
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what occurs in the recover phrase with the NA/K+ pump

transports Na+ out of neuron and K+ into the neuron

11
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what does the Na/K pump require

ATP