What takes place during the repolarization and hyperpolarization phases of an action potential?

Q: What is the difference between an excitatory postsynaptic potential and an inhibitory postsynaptic…

A: Postsynaptic potentials are changes within the membrane potential of the postsynaptic terminal of a…

Q: What is the relationship between action potentials andimpulses?

A: The nervous system is highly complex among different organ systems in animals. By transmitting…

Q: What is Action Potential Mechanism?

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: List four ways in which an action potential is different from a local potential.

A: SOME BASIC INFORMATION ABOUT A NEURON  NEURON   It is the longest cell inside the human body. It is…

Q: Describe the difference between graded and action potentials.

A: Graded potentials are caused by external stimuli (in sensory neurons) or by neurotransmitters…

Q: Define depolarization, repolarization, and the action potential.

A: Depolarization in terms of a cell can be explained by the condition of less negative charge inside…

Q: What is the relationship between action potential conduction and axonal diameter?

A: The neurons transmit the signal or information via electrochemical impulses called action potential…

Q: How do action potentials and graded potentials differ?

A: The changes in the membrane potential of the plasma membrane in the neuron are stimuli for the…

Q: What is the relationship between the threshold and an action potential?

A: At the time the potential difference approaches the threshold voltage then the decreased voltage…

Q: What is action potential propagation?

A: The neuron can be defined as a basic working unit of the brain and the specialized cell designed to…

Q: How are Action potentials are very different from graded potentials?

A: The neurons are the functional unit of the nervous system. These cells help in transferring the…

Q: How do depolarize, repolarize, and hyperpolarize describe the direction of changes in the membrane…

A: The resting potential is the membrane potential of the cell membrane in its non excitable resting…

Q: How graded potentials differ from action potential?

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: Describe how action potentials are produced, and their neural pathways.

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

Q: How much current actually flows across the membrane over the course of an action potential?

A: Cell to cell communication is an important aspect of all living organisms. It is required for the…

Q: Describe how an Action Potential is conducted.

A: The body has a network of conductive cells known as neurons. The neurons are connected end to end,…

Q: What are THREE major functional characteristics of the voltage-gate Na+-channels and how do these…

A: Voltage gated sodium Ion channels are integral membrane proteins, present in the cell membrane of…

Q: What makes an action potential rise to +35 mV? What makes it drop again after this peak?

A: Action potential is defined as the sudden change in the resting membrane potential in the neurons…

Q: What is the relative importance of the Na+/K+ pump in action potential propagation?

A:

Q: If sodium and potassium ions are both positively charged, what causes the negative membrane…

A: Resting membrane potential is defined as the difference in the electric potential across the plasma…

Q: Discuss the differences between Graded Potentials and Action Potentials?

A: Both graded and action are a type of membrane potential used in neuronal signals in the synapse.

Q: Describe how different post-synaptic potentials can be summated on a single neuron to determine if…

A: Synapse is a junction that mediates information transfer from one neuron to another neuron or an…

Q: What happens when a graded potential occurs?

A: Graded potential is produced when a ligand opens a ligand gated channel in a dendrite allowing ions…

Q: What will happen if threshold value for the generation of action potential is not reached?

A: Action potential is an electrical signal that travels along the cell membrane of neurons. It is…

Q: Describe the resting potential for neurons. How is this potential established? Describe the…

A: A neuron or a nerve cell is the structural and functional unit of the nervous system. They are…

Q: What is the membrane threshold and describe its role with grade potential's in action potential's

A: Neurons are responsible for the electromagnetic conduction of the signals in the form of stimulus.…

Q: Describe the changes that occur during the depolarizationand repolarization phases of an action…

A: Muscle cells and nerve cells are electrically excitable. Nerve cells transmit sensory and motor…

Q: Explain the steps of an action potential

A: Whenever the neurons and the surrounding muscle cells are in a resting state and there is no…

Q: What takes place during the depolarization phase of an action potential? How is it an example of a…

A: Introduction:To communicate and respond to the stimulus, neurons need to communicate with each…

Q: How do ACh neurotransmitters cause the “second action potential”

A: Acetylcholine is the neurotransmitter of the parasympathetic nervous system that dilates blood…

Q: The most common neurotransmitter involved in the transmission of an action potential is

A: Neurotransmitters are chemical messengers. They carry chemical signals from one neuron to next…

Q: How does an action potential differ from a local potential?How do depolarizing and hyperpolarizing…

A: Nerve cells conduct electrical impulses to bring out a certain biochemical reaction. When a sudden…

Q: How do local potentials and action potentials differ?

A: The differences are given below.

Q: What are the two main factors that influence the conduction speed of an action potential along an…

A: An action potential occurs when a neuron sends information down an axon, away from the cell body.…

Q: the potassium leak channels were suddenly blocked in a resting neuron, what would happen to its…

A: Normally the neuron has  - 70millivolt resting membrane potential that means the interior of neuron…

Q: What is a graded action potential ,when talking about the nervous system, in human anatomy?

A: Graded potentials are changes in membrane potential that vary in size. They include diverse…

Q: What is the plateau stage of the action potential?

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: How is action potential propagated along the axons?

A: When a neuron's axon wants to send information along the body, it generates an action potential. It…

Q: What is a typical value for an inhibitory post synaptic potential? Why is inhibitory?

A: An inhibitory post synaptic potential is a kind of synaptic potential that makes a postsynaptic…

Q: List the characteristics of a local potential versus an action potentials.  Describe where each…

A: Characteristics of a Local potential versus an Action potential are given below in the table:

Q: What might prevent an EPSP from stimulating action potentials?

A: An excitatory postsynaptic potential (EPSP) is the potential of postsynaptic neuron to create an…

Q: During the rising phase of an action potential, which which voltage gated channels are open?

A: Neurons communicate with one another by electric signals which are triggered by an action potential.…

Q: Why there is a refractory period in the action potential?

A: Action potential occurs in a cell due to the rapid rise and fall of the membrane potential of the…