If the resting membrane potential of a cell was +70 mV, the ELECTRICAL driving force on sodium would be:  Group of answer choices into the neuron out of the neuron balanced

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The options for all 8 are either:  Depolarization, Na+ influx into cell Vm=-70mV inactivation of voltage-gated Na+ channels and opening of voltage-gated K+ channels Vm = -55mV, voltage Gated Na+ channels open graded potentials stimulating depolarization at the axon hillock hyperpolarization Repolarization, K+ efflux out of cell cells return to resting membrane potential

Fill in the diagram, your illustration should demonstrate for each phase of the AP: 1. The relative concentration of K and Na 2. The relative voltage across the membrane 3. Any movement across the membrane of K and NA 4. The three kinds of channels in the membrane, and their state (open or closed) 5. Finally, indicate on the graph of the AP which phases correspond to hyper- polarization and which phases correspond to de- polarization Outside Outside Inside Inside Outside Inside Outside 1 Outside Inside Inside