Describe the four stages of an action potential in what is happening in each stage

Q: Explain what is meant by summation of graded potentials, and explain how summation may lead to an…

A: The “fundamental unit” of the nervous system is the neurons or nerve cells. These electrically…

Q: After an action potential, the opening of voltage-gated ________ channels and the inactivation of…

A: Action potential When nerve cell respond to a stimulus, it generates electric impulse which travel…

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: Explain how a neuron “decides” whether or not to generate action potentials.

A: When an immediate, really quick, mobile and transitory change occurs to the resting membrane…

Q: Explain the role of neurotransmitters in the transmission ofa nerve impulse across a synapse.

A: There are two divisions of the nervous system. The central nervous system includes the brain and the…

Q: Explain how action potentials are conducted by an unmyelinated axon.

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

Q: Describe the difference between graded and action potentials.

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

Q: . “Facilitation in a neuronal pool” refers to .

A: "Facilitation in a neuronal pool" refers to when the neurons of the neuronal pool are more excitable…

Q: Compare and contrast graded potentials and action potentials. What are the functions of graded…

A: In animal cells, the plasma membrane expresses several types of ion channels that participate in the…

Q: Explain why the strength of an action potential doesn’t decrease as it travels down an axon.

A: Action potential involves a transient change in the potential of a neuronal membrane that is caused…

Q: What would happen if summation of graded potentials in a neuron did not occur?

A: Neurons are the basic structural and functional unit of the nervous system. The nervous stimulus…

Q: The rising phase of the action potential is the direct result of the: O inflow of potassium O inflow…

A: A transient membrane potential reversal known as an action potential occurs when the membrane…

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: 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: Compare graded potentials and action potentials.

A: A graded potential is the nearby pace of progress of the potential concerning relocation, for…

Q: #Differentiate between membrane potential & action potential. In which cells action potentials…

A: The cells are the primary unit of life. An organism may be prokaryotic or unicellular. For example,…

Q: Explain summation of EPSPs and IPSPs and the relationship to the initiation of an action potential.

A: The neuromuscular junctions exert stronger effects than the postsynaptic effects generated due to…

Q: List the differences between graded potentials and action potentials?

A: Nerve cells are able to conduct impulse as they are excitatory cells. The membrane of these cells is…

Q: List the steps involved in transmitting activity across a chemical synapse from one neuron to…

A: The nerve cell consists of a dendrite which are branched extensions that help in receiving the…

Q: Describe the characteristics of action potentials and explain how they are conducted by unmyelinated…

A: The minimum electrical potential required to do a muscle contraction or any action is called action…

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

A: The action potential can be defined as the frequent, fast, transitory, and change of the resting…

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: describe the events tha

A: The nerve cell or neuron is the primary unit of communication of the nervous system. These cells…

Q: starting with an axon that is maintaining a resting potential, describe the sequence of events that…

A: Answer: AXON = It is the part of the neuron , which is long, slender in structure , which conducts…

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 is the correct order of the phases of an action potential

A: Introduction: The resting membrane potential, often known as the resting potential, is a voltage…

Q: Discuss the importance of the sodium-potassium pump in the establishment of resting potentials and…

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

Q: Explain Role of Na+ in the generation of action potential.

A: Ions are a charged atom or molecules. The unequal distribution of positive and negative charge…

Q: Explain the steps that lead to the formation of an action potential.

A: The action potential is the state of excitability at which the membrane depolarizes and allows to…

Q: explain as precisely as you can but in no more than 100 words the ionic basis of an action potential…

A: Introduction :- An action potential (AP) occurs in physiology when the membrane potential of a…

Q: a. Explain how a graded membrane potential is created when a neurotransmitter is bound by a…

A: When a neurotransmitter is bound by a postsynaptic cell, there is a change in the resting membrane…

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: Influx of ________ ions initiates neurotransmitter release into the synaptic cleft by the process of…

A: Impulse transmission at neuromuscular junction : Neurotransmitters are the chemical messengers…

Q: Refer to the figure below to explain the mediation of action potentials by neurons using sodium and…

A: Action potential consists of six phases, resting stage, rising phase, overshoot phase, falling…

Q: Diagram an Action potential: an action potential graph showing the 4 steps of an action potential…

A: Nerve impulse travels in the form of action potential. Every cell has a resting membrane potential…

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: Explain why myelinated axons can propagate (spread) action potentials faster than unmyelinated…

A: The axons of many neurons have a segmented white insulating cover over it. This is called the myelin…

Q: Describe how an action potential in a presynaptic neuron causes a) an excitatory postsynaptic…

A: At the chemical synapse the presynaptic and postsynaptic cells are not in physical contact but are…

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…