Electrical Signals of Nerve Cells - The ionic basis of action potentials
9 important questions on Electrical Signals of Nerve Cells - The ionic basis of action potentials
What was found when the Na+ dependent quantitatively was examined?
What can we say about Na+ and the rising phase and overshoot phase?
How is the temporary increase in Na+ permeability caused?
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What did the ion substitution experiments carried out by Hodgkin and Katz provided?
- The resting membrane potential results from a high resting membrane permeability to K+.
- Depolarization during an action potential results from a transient rise in membrane Na+ permeability.
What verbally happens during the rising phase?
To what does the overshoot phase give rise to?
What happens at the undershoot phase?
How are the types of action potentials in the Purkinje fibers called? Why?
From what do plateaus in the repolarization phase result?
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