SDK
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Voltage gated K channels are closed during??
a)Depolarization
b)Plateaue
c)Repolarization
d)Hyperpolarization
e)Subthreshold potential
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| drkpp
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depolarisation
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| ssrpk
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why not e!
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| SDK
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The Voltage gated K channels are completly closed during Plateau phase in the heart....
While in skeletal & smooth muscles???
congratulation for 1000 posts..... 8)
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| ssrpk
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thnx man!
hey i don't understand the answer is it a or e
yeah K+ channels are closed during plateau present in cardiac muscle and smooth muscles.
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| 99doc
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the voltage gated channels in heart are closed during plateau.
in case of others they say at rest.
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| SDK
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I also think that......
Is plateaue occur in smooth muscles....???
Now this is confusing for me.....
Plz clear it....
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| lucky1
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voltage gated K channels-
skeletal muscle--> voltage gated K channel are closed during resting condition and are only open during repolarisation.
cardiac muscle--> they are open at resting conditions also but are closed during depolarisation and more than half of the plateu phase.
please correct if i am wrong
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| SDK
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In cardiac muscle they are start to close during depolarization but completly closed during plateaue phase..... 8)
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| ssrpk
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IN Cardiac muscle
-K+ channels remain open during resting stage
-start to close during depolarization
-gets completely closed during plateau phase
-and open up again during resting phase or subthreshold potential!
so answer is plateau!
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| SDK
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Hmmm... 8)  
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