Which of the following neuron has a single long dendron?
Correct answer: A. Sensory neuron
- A. Sensory neuron
- B. Motor neuron
- C. Associative neuron
- D. none of these.
Explanation
A sensory neuron typically has one long dendron that carries impulses from a receptor toward the cell body, followed by a relatively short axon. Students may choose a motor neuron because it also has dendrites, but motor neurons usually have many short dendrites and one long axon.
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About Neurons and Nerve Impulse
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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