Answered: The potential difference that must be…

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter12: The Nervous System And Nervous Tissue

Section: Chapter Questions

Problem 23RQ: What ion enters a neuron causing depolarization of the cell membrane? sodium chloride potassium...

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Question

Match the stages of action potential with the appropriate image or description.

1.	Resting membrane potential
2.	Threshold
3.	Depolarization
4.	Repolarization
5.	Hyperpolarization
6.	Refractory period

The potential difference that must be met in order for an action potential to be generated

When the potential drops below resting level

When the potential starts to decrease again after it has reached a maximum

Occurs at -77 mV

When the membrane is resetting and an action potential cannot yet be produced again

When the sodium channels are open

Occurs at -55 mV

Membrane potential
(AW)
+50
-0
Time
1
2
3
4
5
1

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