Phase Name of Phase gNa or gKhigher? V-gated Na+ channel state (open, opening, closing, closed, inactivated) V-gated K+ channel state (open, opening,...

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Medical Sciences

Phase
Name of Phase
g_Na or g_Khigher?
V-gated Na⁺ channel state
(open, opening, closing, closed,inactivated)
V-gated K⁺ channel state
(open, opening, closing, closed,inactivated)
1
Resting Potential
?
?
?
2
Threshold
?
?
?
3
Rising Phase
?
?
?
4
Falling Phase
?
?
?
5
Undershoot
?
?
?
2. Does resting membrane potential and equilibrium potential ofsodium both change during an action potential?
3. How is the action potential affected with a defect in theNa+/K+ pump and a deleterious mutation in the leak channels?

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4.2 Ratings (791 Votes)

Phase Name of Phase gNa or gK higher V gated Na channel state V gated K channel state 1 Resting potential gK is higher closed Closed 2 Threshold gNa higher open Slow opening 3 Rising phase gNa higher open open 4 Falling phase gK higher Inactive open Undershoopt gK higher Inactive open 2The resting membrane potential depends on the ion channels that are open and ion concentrations in extracellular and intracellular fluids Its typically between 50mV75mVThe equilibrium See Answer

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Phase	Name of Phase	g_Na or g_Khigher?	V-gated Na⁺ channel state (open, opening, closing, closed,inactivated)	V-gated K⁺ channel state (open, opening, closing, closed,inactivated)
1	Resting Potential	?	?	?
2	Threshold	?	?	?
3	Rising Phase	?	?	?
4	Falling Phase	?	?	?
5	Undershoot	?	?	?