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What transmission of the depolarization wave along the neurons membrane?
Action potential
Which cell conducts an action potential?
neurons
What are the key factors that influence the generation and propagation of action potential in neurons?
The key factors that influence the generation and propagation of action potential in neurons are the balance of ions inside and outside the cell, the opening and closing of ion channels, and the threshold level of stimulation needed to trigger an action potential.
Why does the nerve action potential increase slightly when you add 1.0 V to the threshold voltage and stimulate nerve?
The action potential increases slightly because more neurons are being stimulated.
Is the action potential an all-or-nothing response in neurons?
Yes, the action potential is an all-or-nothing response in neurons, meaning that once a certain threshold is reached, the neuron will fire at full strength regardless of the strength of the stimulus.
Disturbances when will sensory neurons result in an action potential?
Disturbances to sensory neurons can cause depolarization of the neuron's membrane, reaching a threshold that triggers an action potential. This action potential then travels along the neuron's axon to the central nervous system, where it is processed and interpreted as a sensory experience.
Do action potential transmission is faster in myelinated neurons?
TRUE. Neurons with myelin (or myelinated neurons) conduct impulses much faster than those without myelin.
What are the conducting cells that can produce and propagate an action potential for communication throughtout the body?
neurons
What is the difference between a compound action potential and a single action potential?
Single action potentials follow the "all or none" rule. That is, if a stimulus is strong enough to depolarize the membrane of the neuron to threshold (~55mV), then an action potential will be fired. Each stimulus that reaches threshold will produce an action potential that is equal in magnitude to every other action potential for the neuron. Compound action potentials do not exhibit this property since they are a bundle of neurons and have different magnitudes of AP's. Thus compound action potentials are graded. That is, the greater the stimulus, the greater the action potential.
What cell that generates action potential?
Neurons are cells that generate action potentials. Action potentials are electrical signals that allow neurons to communicate with each other and transmit information throughout the nervous system.
What is the name for the impulse generated when a neuron fires?
Brain send the message via nerve impulses involving neurons which use the neuro-transmitter AcetylcholineAcetylcholine- a neurotransmitter released at the neuromuscular junction triggers a muscle action potential, which leads to muscle contraction
When a neuron reaches its threshold?
When a neuron reaches its threshold, it initiates an action potential. This is a brief electrical impulse that allows for communication between neurons. The action potential travels down the axon of the neuron to transmit signals to other neurons or cells.
