What is a depolarizing graded potential?

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: Which of these is a commonly studied type of event-related potential?

A: Event related potential s (ERPs) are electrical impulses generated by the nervous system in response…

Q: The trigger for an action potential is:

A: The potential difference across a membrane is known as the Membrane Potential. Frequent, rapid…

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: Describe depolarizing of graded potential? Explain with an example?

A: A depolarization occasion may just create an evaluated potential, a smallish change in the membrane…

Q: What is an excitatory postsynaptic potential?

A: An Excitatory postsynaptic potential (EPSP)  is a temporary post synaptic membrane caused by 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 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: What is equilibrium potential? Explain with an example?

A: Equilibrium potential is the state of the cell when there is no charge difference inside and outside…

Q: Why is the cell unable to initiate another action potential if stimulated during the refractory…

A: The time between two consecutive action potentials is called refractory period. Action potential…

Q: What is the threshold potential?

A: The difference in electrical potential between the exterior and interior of a biological cell is…

Q: What letter(s) represent the starting point of an action potential?

A: Action potential generates when the neurons want to pass the information along the body from its…

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: How do ion channels and sodium-potassium pumps contribute to the resting potential?

A: Ion channels are pore forming membrane proteins that allow ion to pass through the channel pore.…

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: Why is hyperpolarization important

A: The cell is the basic structural and functional unit of any living organism. It is the smallest unit…

Q: What is Graded Potentials?

A: A transitory, propagating, fast and sudden change occurring in the resting membrane potential of a…

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

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

Q: What is a graded potential, and what four events cancause it? Define decremental conduction of…

A: The neuron is the structural and functional unit of the nervous system. The neuron is also known as…

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: How are Depolarization and graded potential caused?

A: Depolarization is also known as Hypopolarization. Depolarization results in a change in the electric…

Q: What guarantees that there are unidirectional action potential? A. threshold B. depolarization…

A: Action potential generates when the neurons want to pass the information along the body from its…

Q: How can an EPSPs ability to stimulate action potential be enhanced?

A: The neuron is a specialized cell that is capable of generating an action potential on the cell…

Q: What is resting potential?

A: Plasma membrane is the outer boundary of the cell. It is selective permeable in nature that is it…

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: Describe the events of an action potential in terms of ions and gates or channels beginning with the…

A: ACTION POTENTIAL is electrical impulse required to bring about the response to a stimulus.  For the…

Q: How can the Graded potentials be recorded?

A: Instead of being all-or-nothing, graded potentials are small changes in membrane potential. They…

Q: What does it mean to say that action potentials are “all or none”?

A: Introduction :- A depolarizing current causes an explosion of electrical activity, which is known as…

Q: State the all-or-none law of the action potential.

A: When excitable cells such as a neuron, muscle cells, and endocrine cells are given a stimulus, the…

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: Define refractory period, and explain the difference between the absolute refractory period and…

A: Action potential of a nerve fibre is the active state of transmission of nerve signal from one…

Q: What does it mean for an action potential to be an “allor none” event?

A: Given: What does it mean for an action potential to be an “all or none” event?

Q: A supra-threshold stimulus will induce: A graded potential An action potential of higher amplitude…

A: If any neuron doesn't reach its threshold voltage then there will be no action potential execution.

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: The level of depolarization at which an action potential will be triggered is referred to as the…

A: Action potential develops only when the membrane acquires a more positive charge inside.

Q: Why does amplitude decrease in a train of action potential

A: Nerves transmit impulses to and from the central nervous system. Twelve pairs of cranial nerves…

Q: The following graph shows that if a neuron is depolarized briefly and then hyperpolarized slightly,…

A: In nerve cells, Na+ is important for generation of the action potential. As the Na+ current is…

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.…