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Are excitatory graded potentials depolarizing or hyperpolarizing? What is the name for graded potentials from different stimuli adding...

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Medical Sciences

Are excitatory graded potentials depolarizing orhyperpolarizing?

What is the name for graded potentials from different stimuliadding together?

Name what kind of ion channels are open and which direction theion moves for each part of an action potential.

a. Depolarization Na channels open,

b. Repolarization Na channels open,

c. HyperpolarizationNa channels close,

Can a second action potential be sent during depolarization andthe first part of repolarization? Why or why not?

Answer & Explanation Solved by verified expert
3.6 Ratings (546 Votes)
Excitatory graded potentials are depolarizing because depolarizing causesthe membrane potential to move toward threshold Spatial summation Summation is the process of adding things up Spatial summation involves simultaneous stimulation by    See Answer
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