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The resting polarized state refers to the condition of a neuron when it is not actively transmitting an electrical signal. In this state, the inside of the neuron has a negative charge relative to the outside, primarily due to the distribution of ions, such as potassium (K+) and sodium (Na+), across the cell membrane. This polarization is maintained by ion channels and the sodium-potassium pump, which helps establish the resting membrane potential, typically around -70 mV. This state is crucial for the generation of action potentials when the neuron becomes activated.
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How the maintenance of a polarized state in a resting nerve is provided?
Maintenance of a polarized state of a resting nerve is achieved through continuous expenditure of energy.
Is the polarized state the same as the resting state?
No, the polarized state is not the same as the resting state. The polarized state refers to the condition of a neuron when it is ready to fire an action potential, characterized by a difference in electrical charge across the membrane, primarily due to the distribution of ions (like sodium and potassium). The resting state, on the other hand, is a specific type of polarized state where the neuron is not actively sending signals, maintaining a stable negative internal charge relative to the outside. Both states involve polarization, but the resting state is a stable and inactive condition, while the polarized state can be dynamic and ready for activation.
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.
Does all body cells exhibit a resting membrane potential in their resting state therefore making all cells polarized?
In resting state, all body cells exhibit a resting membrane potential that typically ranges from -50 to -100 millivolts, depending on cell type. For this reason , all cells are said to be polarized.
When a resting nerve fiber is polarized sodium and potassium ions is higher on the inside of its membrane?
A resting nerve fiber is polarized because the concentration ofNa+ is higher on the outside and K+ is higher on the inside.
A resting motor neuron is expected to?
exhibit a resting potential that is more negative than the "threshold" potential.
State of an unstimulated neuron's membrane?
An unstimulated neuron's membrane is polarized, with a negative charge inside the cell relative to the outside. This resting membrane potential is maintained by the unequal distribution of ions across the cell membrane, particularly sodium and potassium ions. The neuron is ready to generate an action potential when stimulated.
When a neuron is in a resting state the majority of the particles in the fluid surrounding the neuron are?
polarized
What is the Electrical condition of a plasma membrane of a resting neuron?
The electrical condition of a plasma membrane of a resting neuron is polarized, meaning there is a voltage difference across the membrane with the inside being negatively charged compared to the outside. This resting membrane potential is typically around -70 millivolts.
A small deviation from the resting membrane potential that makes the membrane more or less polarized?
This small deviation is called a graded potential. It can be either a depolarization, where the membrane becomes less polarized, or a hyperpolarization, where the membrane becomes more polarized. Graded potentials are important for transmitting signals over short distances in the nervous system.
When the cardiac cells are in resting and negatively charged state this is known as?
When cardiac cells are in a resting and negatively charged state, this is known as the resting membrane potential. This resting state allows the cells to be ready to receive and transmit electrical signals for proper heart function.
What is a seed in a resting state?
dormant
