Neuron Classification and Synapse Types

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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?

Sensory neurons

Anaxonic neurons

Interneurons

Motor neurons (correct)

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?

Interneurons Signup and view all the answers

What is the characteristic of mature neurons in terms of cell division?

They have a low capacity for cell division Signup and view all the answers

What type of neurons are responsible for establishing relationships among other neurons and forming complex functional networks?

Interneurons Signup and view all the answers

What is the characteristic feature of Multipolar neurons?

Three or more processes coming off the soma Signup and view all the answers

What type of neuron has a single process that splits into two branches?

Pseudounipolar neuron Signup and view all the answers

What type of synapse occurs between axons and dendrites?

Axodendritic Signup and view all the answers

What is the characteristic feature of Anaxonic neurons?

They have many dendrites but no true axon Signup and view all the answers

What type of neuron has a single short dendrite terminating in a brush-like tuft?

Unipolar brush cell Signup and view all the answers

What type of synapse occurs between dendrites?

Dendrodendritic Signup and view all the answers

What is the function of Schwann cells in the peripheral nervous system?

To increase the speed of impulse propagation Signup and view all the answers

What is unique about the axon hillock?

It is the site of action potential generation Signup and view all the answers

What is the function of dendrites?

To propagate electrochemical stimulation to the cell body Signup and view all the answers

Neuron Classification and Synapse Types

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Questions and Answers

What is the percentage of neurons in the human CNS that interneurons are estimated to include?

What type of neurons have long axons that transmit nerve impulses from the CNS to a muscle or gland?

What is the characteristic of the axon in sensory neurons?

Which type of neurons are generally multipolar or anaxonic in structure?

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 is the characteristic feature of Multipolar neurons?

What type of neuron has a single process that splits into two branches?

What type of synapse occurs between axons and dendrites?

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 synapse occurs between dendrites?

What is the function of Schwann cells in the peripheral nervous system?

What is unique about the axon hillock?

What is the function of dendrites?

What is the initial segment of the axon?

What organelle is lacking in axons?

What is outside the myelin sheath?

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