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At which point is an impulse transmitted between neurons?

  1. A
    Synapse
  2. B
    Dendrite
  3. C
    Ganglion
  4. D
    Axon

Topic Flashcards

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Question

Where is a nerve impulse transmitted from one neuron to another?

Answer

Synapse, the junction between neurons where the signal crosses via neurotransmitters or electrical coupling.

Question

Why is the synapse considered the site of inter-neuronal signal transfer?

Answer

Action potential arrives at the axon terminal → triggers neurotransmitter release → binds receptors on the next neuron, continuing the impulse.

Question

What part of the neuron receives impulses but does not transmit them to the next neuron?

Answer

Dendrite receives signals from other neurons’ synapses; transmits them toward the cell body, not between neurons

Question

What is a ganglion?

Answer

ganglion is a cluster of neuron cell bodies (outside CNS); synapses occur within or near ganglia in some cases, but the transmission point is the synapse.

Question

How does an impulse cross from one neuron to another at the synapse?

Answer

Presynaptic terminal releases neurotransmitters → diffuse across synaptic cleft → bind postsynaptic receptors → generate new action potential or graded potential.

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The synapse is the point where an impulse is transmitted between two neurons
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