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During the resting state, a neuron is in a stable condition where it is not actively transmitting signals. The inside of the neuron has a negative charge relative to the outside, primarily due to the distribution of ions, particularly sodium (Na+) and potassium (K+) ions. This polarization is maintained by the sodium-potassium pump, which actively transports Na+ out of the neuron and K+ into it. As a result, the resting membrane potential typically ranges from -60 to -70 millivolts, preparing the neuron for potential activation when it receives a sufficient stimulus.
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What event follows after the depolarization of a neuron?
After depolarization, the neuron undergoes repolarization, during which the cell's membrane potential returns to resting state. This is followed by hyperpolarization, where the membrane potential briefly becomes more negative than the resting state, before returning to its baseline. Finally, the neuron enters a refractory period, during which it is temporarily unable to generate another action potential.
What name is given to a neuron that is not sending a nervous impulse?
A neuron that is not sending a nervous impulse is typically referred to as a resting neuron. In its resting state, the neuron is polarized with a negative internal charge.
What is the chief positive intracellular ion in a resting neuron?
The chief positive intracellular ion in a resting neuron is a potassium ion. Just inside the cell of a resting neuron, the membrane is negative.
The state during which a neuron contains more negatively charged ions inside the cell than outside the cell and is not firing is referred to as the?
resting potential
What do you call the state of a neuron when it is firing a neural impulse?
Resting potential.
The state of the neuron when not firing a neural impulse is known as?
Resting potential
What do you call the state of a neuron when it is not firing a neural impulse?
The state of a neuron when it is not firing a neural impulse is called the resting potential. This is when the neuron is negatively charged inside compared to outside, waiting for a stimulus to change its electrical charge and initiate an action potential.
If the inside of the neuron is negatively charged compared to the outside the neuron is in the?
If it's approximately -70 mV, then it's in a resting state.
When a neuron's resting potential is occurring the neuron is what charge on the inside?
resting potiental
The chief positive intracellular ion in a resting neuron?
The chief positive intracellular ion in a resting neuron is potassium (K+). At rest, the neuron has a higher concentration of K+ inside its cell membrane compared to outside. This creates a negative membrane potential, which is crucial for maintaining the resting state of the neuron.
A resting motor neuron is expected to?
exhibit a resting potential that is more negative than the "threshold" potential.
What is an unstimulated neuron?
An unstimulated neuron is a nerve cell that is not currently transmitting signals. It is in a resting state, with a stable membrane potential, and is not actively firing action potentials or sending messages to other neurons.
