RMP test phys

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Last updated 5:08 AM on 2/9/26
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9 Terms

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Term

Definition (Answer)

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Potential difference across the membrane at rest

Resting Membrane Potential (RMP)

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Standard value for a nerve's RMP

-70 mV

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"Main ion whose ""leakage"" creates the RMP"

Potassium (K+)

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The rapid reversal of membrane polarity during excitation

Spike Action Potential

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The stage caused by rapid Sodium (Na+) influx

Depolarization

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The stage caused by Potassium (K+) efflux

Repolarization

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Brief period of increased negativity after the spike

Hyperpolarization

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Type of transport that maintains ion gradients

Na+/K+ Pump (Active Transport)