Neurons and Signal Sending

What is the voltage difference across a nerve cell membrane called?

• Voltage Potential

• Potential Difference

• Potential Energy

• Cellular Voltage

What is the stage where the inside of the cell is negatively charged relative to the outside, with a potential voltage of about -70 mV?

• Depolarization

• Action Potential

• Resting Potential

• Repolarization

What is the process of restoring the original polarity of the nerve membrane called?

• Depolarization

• Action Potential

• Repolarization

• Resting Potential

What is the carrier protein embedded in the cell membrane that transports 3 Na+ out of the nerve cell and 2 K+ into the nerve cell?

• Synaptic Transmission

• Membrane Channels

• Neurotransmitters

• Sodium-Potassium Pump

What is the recovery period required before a neuron can produce another action potential?

• Resting Potential

• Synapse Inhibition

• Depolarization

• Refractory Period

What is the abrupt change in the charge difference across the neuron's membrane called?

• Repolarization

• Depolarization

• Action Potential

• Resting Potential

What is the process of sending out an electrical impulse when a neuron is activated called?

• Synaptic Transmission

• Neural Transmission

• Nerve Signaling

• Synapse Inhibition

What is the type of stimulation necessary to produce firing of a neuron?

• Pressure

• All of the above

• Heat

• Light

What is the process of the signal jumping to another neuron which continues to conduct the electrical impulse called?

• Synapse Inhibition

• Neural Transmission

• Nerve Signaling

• Synaptic Transmission

What is the stage where the potential difference across the nerve cell membrane becomes positive until it reaches +40 mV?

• Depolarization

• Action Potential

• Resting Potential

• Repolarization