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Earn 100

Which enzyme breaks down acetylcholine in the synaptic cleft?

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Important Questions on Nervous System

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What is the primary function of voltage-gated sodium channels?
HARD
What role do potassium ions play during repolarization?
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The neurons which carry impulses from the central nervous system to the muscle fibre.
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Which ion is primarily responsible for depolarization during a nerve impulse?
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How does an action potential propagate along an axon?
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Acetylcholine is synthesised from acetyl coenzyme A and choline by the enzyme choline acetyl transferase.
HARD
What is the role of the axon hillock in a neuron?
MEDIUM
Electrical impulse travels in a neuron from
HARD
What is the refractory period in a neuron?
HARD
How nerve impulses are transferred from one neuron to next neuron?
HARD
What triggers the release of neurotransmitters at the synapse?
HARD
Which part of a neuron receives signals from other neurons?
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Neurotransmitters are important in boosting and balancing signals in the brain and for keeping the spine functioning.
HARD
Which neurotransmitter is commonly associated with muscle activation?
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Dendrites transmit impulse _____ cell body and axon transmit impulse _____ cell body.
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A nerve impulse is transmitted from one _____ to another through the junction called synapses.

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Name a chief neurotransmitter of the parasympathetic nervous system.

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Note the relationship between the first two words and suggest suitable word/words for the fourth place.

Stimulus : Receptor :: Impulse : _____.

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Which of the following does not function as a neurotransmitter?
HARD
What is the primary function of a neuron?