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

Q: describe how myelination and axon diameter contributes to the increased speed of nerve impulse…

A: The information transmitted by neurons is named nerve impulses. Nerve impulses can roam very rapidly…

Q: a.Would an action potential travels faster in an axon with a wide diameter or a small diameter? b.…

A: The structural and functional unit of the nervous system is called a neuron. A neuron is composed of…

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: Explain why a single action potential reaching a synapse is unlikely to trigger an action potential…

A: A rapid or large changes in membrane potential of nerve cells during which the potential actually…

Q: Based on the graph, how soon could another action potential be easily initiated (at the end of the…

A: Nerve cells or muscle cells have a tendency to transmit impulses. The changes in the electrical…

Q: Describe saltatory conduction of an action potential

A: Action potentials are typically electrical signals, which serves to transmit a signal or message…

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: 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: Explain why a myelin sheath covering an entire axon (with no nodes of Ranvier) would inhibit…

A: The insulating layer, which forms a covering around the nerves, is called the myelin sheath. The…

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: 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: Why does neuronal function require the voltage-gated K+ channels to open more slowly than the…

A: Voltage-gated channels are specialized proteins that are essential for the generation and…

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: 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: Describe how gating of Na+ and K+ in the axon membrane results in the production of an action…

A: In reaction to stimuli, the axon membrane permeability to K+ and Na+ depends on the opening of gated…

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: 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 the permeability of the axon membrane to Na+ and K+ is regulated and how changes in…

A: Introduction  Sodium and Potassium are the two most important ions which plays a crucial role in…

Q: Make an illustration that discusses the Polarized state (mV inside the neuron, ions present/abundant…

A: Neuron like any other cell is surrounded by a plasma membrane which is Semi permeable that is it…

Q: Why does a myelinated axon conduct action potentials faster than a nonmyelinated axon?

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit…

Q: ou observe that a neuron treated with a metabolic inhibitor which prevents ATP generation still can…

A: Neurons are the basic unit of the nervous system. The lipid bilayer is selectively permeable and is…

Q: Explain how the presence of myelin on an axon speeds up conduction velocity.

A: The nervous system's building blocks are neuronal cells. They send and receive signals to many…

Q: Describe how following a threshold stimulus, a action potential is carried along an unmyelinated…

A: Myelination refers to the presence of a myelin sheath on the axons. Myelin sheath is composed of…

Q: Describe what happens in the nerve terminal when an action potential reaches there

A: Neuron or nerve cells are cells that act as messengers, they are able to undergo  electrical…

Q: Compare the signal conduction speed in myelinated fibers versus unmyelinated ones. Why aren’t all…

A: Ans: Myelination: In this process the fatty sheath which surrounds neuronal process as well as…

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: Suppose you stimulate an axon so that you generate an actionpotential at both ends at the same…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: Explain why a nerve impulse travels more quicklydown a myelinated axon than down an…

A: Neurons are electrically excitable cells and these communicate with other cells through specialized…

Q: Compare the characteristics of action potentials with those of synaptic potentials.

A: Action potential and synaptic potential are two important key terms in Human Nervous System. Here we…

Q: Describe the role of the axon hillock in generating action potentials.

A: Axon hillock can be defined as a specialized part of the cell body. It serves to connect to the axon…

Q: Why is saltatory conduction along a myelinated axon faster than continuous conduction along an…

A: The cell body comprises the nucleus and other cell organelles. Dendrites expand from the cell body…

Q: If the middle of an axon were depolarized to threshold, in which direction could the action…

A: Neurons are the basic unit of the nervous system. They are involved in the transmission of nerve…

Q: Describe how depolarization occurs along an unmyelinated neuronal axon

A: Propagation of action potential leads to the depolarization of neuron.

Q: Explain how myelin helps speed up the conduction speed of action potentials along the axon of the…

A:

Q: Is an action potential transmitted faster between cells connected by anelectrical synapse or by a…

A: In neurophysiology, the term action potential is used to describe the electrical form of messages…

Q: Two axons are tested for propagation velocities (speeds). One carries action potentials at 50 meters…

A: A neuron is which it is composed of three main parts, the dendrites, the cell body, and the axon. An…