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What will conduct a nerve impulse faster thick or thin axon?
Thick axons conduct nerve impulses faster than thin axons because they have a lower resistance to the flow of electrical signals. This allows for quicker transmission of signals along the axon.
What transmits a nerve impulse at the highest rate?
Myelinated nerve fibers transmit nerve impulses at the highest rate due to the presence of insulation provided by the myelin sheath. This insulation helps the nerve impulse jump quickly from one node of Ranvier to the next, allowing for rapid transmission.
The axons of the retina culminate in what nerve?
the axons of the retina culminate in the optic nerve which forms a blind spot on the retina
What is the correct order that information passes through in a neuron?
The flow of information across nerve cells is called a nerve impulse in which the axons of the cell must depolarize, repolarize and go through a refractory period before reaching the resting potential. At this point, another impulse can occur.
What is the material surrounding the axon that increases the speed of the nerve impulse?
The material surrounding the axon that increases the speed of the nerve impulse is called myelin. Myelin is a fatty substance that acts as an insulating layer, allowing for faster transmission of electrical signals along the axon.
What is a nerve impule transmitted by axons?
It is called a nerve impulse.
What direction does nerve impulse travel?
Along a nerve cell, the impulse travels from the axon to the dendrites and then again to the axons through the synapse.
Also called a nerve impulse transmitted by axons?
action potential
Is a nerve message also called a synapse?
Nerve messages are called an impulse. Synapses are the space between two axons.
Why does the frog sciatic nerve give a graded response?
The frog schiatic nerve gives a graded response because the nerve is a bundle of axons and not a single axon (thus it does not show the all or none response of an axon-either generating an action potential or not). If one axon is generating an action potential then a small nerve impulse is witnessed, if all axons are simultaneously generating action potentials then a large nerve impulse is witnessed. Thus the nerve impulse is graded (it can be none, small, medium, large, larger, maximal).
What will conduct a nerve impulse faster thick or thin axon?
Thick axons conduct nerve impulses faster than thin axons because they have a lower resistance to the flow of electrical signals. This allows for quicker transmission of signals along the axon.
What transmits a nerve impulse at the highest rate?
Myelinated nerve fibers transmit nerve impulses at the highest rate due to the presence of insulation provided by the myelin sheath. This insulation helps the nerve impulse jump quickly from one node of Ranvier to the next, allowing for rapid transmission.
How do nerve axons enhance speed of nerve impulse transmission?
By being wrapped in myelin sheaths, produced by Schawann cells in the peripheral nervous system and oligodendrocytes in the central nervous system.
What minimizes leakage of the electrical current traveling along the axon?
The nodes of Ranvier along myelinated axons in sensory nerve fibers minimize leakage of the nerve impulse electrical signal.
The axons of the retina culminate in what nerve?
the axons of the retina culminate in the optic nerve which forms a blind spot on the retina
Which ions causes neurotransmitter vesicles to fuse with the axons membrane during the conduction of a nerve impulse from one neuron to the next?
I believe it's Na+
Microscopic fiber that carries the nervous impulse along nerve cell?
Some nerve cells have fibers that grow out of the cell, which are called axons. Axons allow a nerve cell to connect to distant parts of the body, so that cells in the brain can send messages to, and receive messages from a toe, for example, which might be six feet away from the brain. Other nerve cells just connect to their immediate neighboring nerve cells, and therefore do not require axons; they instead have smaller extensions called dendrites.
