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During dental procedures, dentists inject local anesthetics in the nerve pathway supporting the region they are working...

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Medical Sciences

During dental procedures, dentists inject localanesthetics in the nerve pathway supporting the region they areworking on. These local anesthetics block Na+ (sodium) channels.Explain in detail the process of a typical action potential, andhow local anesthetics prevent the transmission of pain impulses tothe brain.

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4.3 Ratings (583 Votes)
ACTION POTENTIALWhen acted upon by stimulus strong enough to depolarize membranepotential upto the level of threshold value it results in actionpotentialResting membrane potential RMP of a typical neuron is around70mV When an optimum threshold stimulus reaches the neuron itresults in opening of    See Answer
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