The CORRECT information about relay neurons in the human nervous system is that
Correct answer: C. Their dendrites synapse with other neurons
- A. They have a single dendron
- B. Their dendrites synapse with receptors
- C. Their dendrites synapse with other neurons
- D. They are present outside the central nervous system
Explanation
Relay neuron synapse with another neuron, facilitating the transmission of electrical or chemical signals.They act as connectors, relaying information from sensory neurons to other neurons, including motor neurons, which then initiate a response. So option C is correct. Other characteristics include multiple dendrites, synapses with senory and motore neurons and located within CNS. So A,B and D are incorrect.
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Neurons receive and transmit information through dendrites, the cell body and axons. The topic explains resting potential, depolarization, repolarization, refractory periods and saltatory conduction, followed by synaptic transmission through neurotransmitters. An action potential is distinct from the graded potential produced at a receptor.
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