a.Would an action potential travels faster in an axon with a wide diameter or a small diameter? b. Would an action potential travel faster in an axon that is myelinated or unmyelinated?

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: discuss the process of the neuron firing an action potential from the resting period to the…

A: The process of normal neuronal firing takes place as a communication between neurons through…

Q: Explain in a presynaptic neuron triggers the membrane depolarization in a postsynaptic neuron and…

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

Q: c) Draw a diagram indicating how the ion concentrations will change during the repolarization phase…

A: All cells generate an electrical potential known as membrane potential across the plasma membrane.…

Q: Describe the propagation of an action potential. Contrast this eventin myelinated and unmyelinated…

A: An action potential is produced in the body of the neuron and spread through its axon.  The action…

Q: Explain how axon diameter and myelination affect conduction velocity.?

A: Axon is a slender long projection of a neuron or nerve cell. It conducts the electrical impulses…

Q: Describe in detail how movement of ions causes a neuron to fire . Make sure to include how membrane…

A: Every cell has an electric potential difference between inside and outside of the cell under the…

Q: Match the description with the statement that best describes the following regions e dendrites +…

A: Neuron:

Q: Describe how graded potentials can lead to an action potential (temporal summation and spatial…

A: The measurable brain reaction to a given sensory, cognitive, or motor event is known as an…

Q: If you inhibit the closing of sodium channels what do you predict the effect on neuronal function…

A: Action potential in neuron is the direct consequence of voltage gated sodium channel. During the…

Q: b) Draw a diagram indicating how the ion concentrations will change during the depolarization phase…

A: During the generation of a nerve impulse the neuronal cells send an action potential to the next…

Q: Describe the events that happen in between synapse. Start with an action potential in the…

A: The neurons are the cells of the nervous system that are responsible for generation and conduction…

Q: Read the following statements (a) The resting nerve membrane is freely permeable to Na*, K* ions and…

A: B and C

Q: describe the location of neurotansmitters within an axon and explain the relationship between…

A: Neurons are composed of specialized cells and also a basic working unit of the brain that helps to…

Q: Draw 3 diagrams of the 3 types of neurons (bipolar, multipolar, unipolar) For unipolar, use the…

A:

Q: Draw a typical action potential (correctly label axis) and explain in words the roles of ion…

A: An action potential (AP) occurs when the membrane potential of a particular cell position rises…

Q: Label the structures in the following diagram of a neuron.

A: We can say that the neuron is the building block or fundamental unit of the nervous system. It is a…

Q: Describe how resting potential is form in a neuron. Key difference from in and out a neuron and how…

A: The resting potential of a neurone is formed from the difference in concentration of different…

Q: Which of the following choices correctly fills in the blanks? After repolarization, the sodium ions…

A: The action potential is the process by which the signal propagates through the neurons, and this…

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 how action potentials move down an axon.

A: An action potential is defined as a fast, transitory propagating sudden change in the resting…

Q: A new drug opens calcium ion channels in the membrane of the postsynaptic neuron. Would this produce…

A: There are many different types of cells in the body which form various organs and organ systems. For…

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: Sodium, chloride, and potassium ions are involved in setting up voltages across neuronal membranes.…

A: The voltage difference between an intracellular space and the extracellular space is known as a…

Q: Describe graded potentials including hyperpolarizing and depolarizing graded potentials

A: Graded potentials are changes in membrane potential that differ in size, rather than being…

Q: Define the terms Myelinization and saltatory conduction of action potentials?

A: Myelination and salutatory conduction have a strong effect on the action potential. It is studied…

Q: Explain the relationship between threshold potential and an action potential.

A: An action potential can be defined as the phenomenon when there occurs at excitation of the nerve or…

Q: Describe the following terms: specificity, stimulus, receptor potential, synapse, neurotransmitter,…

A: Specificity indicates what percentage of those who do not have the condition have a negative result…

Q: Describe in words the sequence of events that occurs at an excitatory chemical synapse when an…

A: An excitatory synapse is one in which a presynaptic neuron's action potential increases the…

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: Describe the direction of information flow through a neuron in response to input from another…

A: A nerve cell that is the central key component of the nervous system is a neuron. In various ways,…

Q: gradient is responsible for both the resting membrane potential and the action potential in the…

A: resting  neuron has a certai. voltage across its membrane called the resting membrane potential.

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: The changes in membrane potential when a neuron is transmitting information is called .....…

A:

Q: Describe how action potentials are conducted by unmyelinated nerve fibers. Why is saltatory…

A: Introduction :- Conductability is the capacity to conduct the electrical along it's pathway. The…

Q: Identify the stages involved during the changes in membrane potential of the neuron represented in…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: Is an action potential more or less likely when the consumption of the Fugu toxin and is stimulated…

A: An action potential is a rapid and brief electrical signal that is generated by nerve cells, or…

Q: The main function of an axon is to... genreate EPSPs or IPSPs when neurotransmitters bind their…

A: Nervous system involves highly complex part of the animal that controls and co-ordinates the actions…

Q: Describe innervation of a neuron.

A: The neuron is considered the basic functional unit of the nervous system, as they play a significant…