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Questions and Answers
What is the percentage of neurons in the human CNS that interneurons are estimated to include?
What is the percentage of neurons in the human CNS that interneurons are estimated to include?
- 99% (correct)
- 75%
- 50%
- 90%
What type of neurons have long axons that transmit nerve impulses from the CNS to a muscle or gland?
What type of neurons have long axons that transmit nerve impulses from the CNS to a muscle or gland?
- Sensory neurons
- Anaxonic neurons
- Interneurons
- Motor neurons (correct)
What is the characteristic of the axon in sensory neurons?
What is the characteristic of the axon in sensory neurons?
- Short and unipolar
- Long and multipolar
- Anaxonic in structure
- Unipolar in structure (correct)
Which type of neurons are generally multipolar or anaxonic in structure?
Which type of neurons are generally multipolar or anaxonic in structure?
What is the characteristic of mature neurons in terms of cell division?
What is the characteristic of mature neurons in terms of cell division?
What type of neurons are responsible for establishing relationships among other neurons and forming complex functional networks?
What type of neurons are responsible for establishing relationships among other neurons and forming complex functional networks?
What is the characteristic feature of Multipolar neurons?
What is the characteristic feature of Multipolar neurons?
What type of neuron has a single process that splits into two branches?
What type of neuron has a single process that splits into two branches?
What type of synapse occurs between axons and dendrites?
What type of synapse occurs between axons and dendrites?
What is the characteristic feature of Anaxonic neurons?
What is the characteristic feature of Anaxonic neurons?
What type of neuron has a single short dendrite terminating in a brush-like tuft?
What type of neuron has a single short dendrite terminating in a brush-like tuft?
What type of synapse occurs between dendrites?
What type of synapse occurs between dendrites?
What is the function of Schwann cells in the peripheral nervous system?
What is the function of Schwann cells in the peripheral nervous system?
What is unique about the axon hillock?
What is unique about the axon hillock?
What is the function of dendrites?
What is the function of dendrites?
What is the initial segment of the axon?
What is the initial segment of the axon?
What organelle is lacking in axons?
What organelle is lacking in axons?
What is outside the myelin sheath?
What is outside the myelin sheath?
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