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

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

EASY
Dendrites transmit impulse _____ cell body and axon transmit impulse _____ cell body.
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Which part of a neuron receives signals from other neurons?
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What is the refractory period in a neuron?