Resting potential Flashcards

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1
Q

Which ions are actively pumped into and out of the axon?

A

3x Na+ ions are actively pumped out of the axon

2x K+ ions are actively pumped into the axon

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2
Q

What are the sodium and potassium ions been pumped out of and into the cell with?

A

Intrinsic protein - sodium potassium pump

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3
Q

What do the sodium ions diffuse down back into the axon?

A

Diffuse down an electrochemical gradient

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4
Q

Are the voltage gated sodium ion channels open or closed?

A

Closed

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5
Q

Are the voltage gated potassium ion channels open or closed?

A

Open

Allowing potassium ions to diffuse out of the axon

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6
Q

What is the resting potential across the membrane?

A

-70mV

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7
Q

Which is the more negative side; inside or outside of the axon?

A

Inside of the axon is more negative

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