Which of the following statements about the t | vedclass

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(D) The transmission of a nerve impulse follows a specific direction: from the dendrites to the cell body and then along the axon to the axonal termin

Vedclass · Accepted Answer

At the dendritic end,electrical impulses bring about the release of some chemicals which generate an electrical impulse at the axonal end of another neuron.

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(D) The transmission of a nerve impulse follows a specific direction: from the dendrites to the cell body and then along the axon to the axonal terminal. At the synapse,the electrical impulse triggers the release of neurotransmitters (chemicals) from the axonal end of the presynaptic neuron. These chemicals diffuse across the synaptic cleft and bind to receptors on the dendrites of the postsynaptic neuron,where they generate a new electrical impulse. Therefore,statement $D$ is incorrect because it reverses the direction of transmission,claiming that chemicals are released at the dendritic end to trigger an impulse at the axonal end.

Which of the following statements about the transmission of a nerve impulse is incorrect?

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