1) What is the resting potential of a neuron? a) -30mV b) -50mV c) -70mV d) -09mV 2) Which ion pump is critical for an action potential to reach the threshold for depolarisation? a) Sodium-Potassium Pump b) Voltage-Gated Potassium Pump c) Voltage-Gated Calcium Pump d) Voltage-Gated Sodium Pump 3) Which ion pump is critical for depolarisation to raise the charge from -55mV to +30mV? a) Sodium-Potassium Pump b) Voltage-Gated Potassium Pump c) Voltage-Gated Calcium Pump d) Voltage-Gated Sodium Pump 4) When sodium slowly enters the neuron, it allows the threshold of -55mV to start depolarisation a) True b) False 5) Which pump is necessary for repolarisation to occur? a) Sodium-Potassium Pump b) Voltage-Gated Potassium Pump c) Voltage-Gated Calcium Pump d) Voltage-Gated Sodium Pump

Neuron Action Potential

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