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What is the significance of nodes of Ranvier in myelinated neurons?

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Important Questions on Nervous System

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Science>Biology>Nervous System>Transmission of Nerve Impulse
How does a chemical synapse differ from an electrical synapse?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
Why is unidirectional transmission of nerve impulses important?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
Which of the following does not function as a neurotransmitter?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the function of synaptic vesicles?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
How do inhibitory neurotransmitters affect a postsynaptic neuron?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the role of the axon hillock in a neuron?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What role do potassium ions play during repolarization?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
Electrical impulse travels in a neuron from
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Science>Biology>Nervous System>Transmission of Nerve Impulse
How does an action potential propagate along an axon?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
How does the all-or-none principle apply to neurons?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the threshold potential of a neuron?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
Which neurotransmitter is commonly associated with muscle activation?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the primary role of the sodium-potassium pump in neurons?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the role of myelin sheath in nerve impulse transmission?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
The neurons which carry impulses from the central nervous system to the muscle fibre.
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What triggers the release of neurotransmitters at the synapse?
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Science>Biology>Nervous System>Transmission of Nerve Impulse

A nerve impulse is transmitted from one _____ to another through the junction called synapses.

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Science>Biology>Nervous System>Transmission of Nerve Impulse
Dendrites transmit impulse _____ cell body and axon transmit impulse _____ cell body.
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Science>Biology>Nervous System>Transmission of Nerve Impulse
Which part of a neuron receives signals from other neurons?
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Science>Biology>Nervous System>Transmission of Nerve Impulse
What is the refractory period in a neuron?