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Phenytoin (sodium channel blocker) and ethosuximide (calcium channel blocker) are anti-seizure drugs that stop seizures from happening....

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Medical Sciences

Phenytoin (sodium channel blocker) and ethosuximide (calciumchannel blocker) are anti-seizure drugs that stop seizures fromhappening. These drugs work by inhibiting electrical impulses(action potentials) from occurring. Explain the importance ofsodium and calcium channels on a neuron and and the reasons whyaction potentials do not occur when these channels are inhibited.Be sure to include the phases of an action potential, the channelsinvolved, and the importance of an action potential.

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4.2 Ratings (801 Votes)
AnswerAction potentialIt is thepotential or power or electrical energy required to generateimpulses and provides communication between the neurons is calledaction potential Normally cell membrane consists of potential iscalled resting membrane potential 70mV The action potential isdue to exchange of different ions across the membranePhases of theaction potential Depolarizing PhaseWhen adepolarizing graded potential    See Answer
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