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Cells of the nervous system-nerouns and neuroglia

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Cells of the nervous system-nerouns and neuroglia

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Questions and Answers

What is the function of oligodendrocytes in the Central Nervous System (CNS)?

To support neurons and modulate neuronal function
To participate actively in synaptic transmission
To produce myelin sheath for only one segment of one axon
To produce myelin sheath for segments of as many as 30 axons (correct)

What is the role of Schwann cells in the Peripheral Nervous System (PNS)?

To support neurons and modulate neuronal function
To produce myelin sheath for segments of as many as 30 axons
To produce myelin sheath for only one segment of one axon (correct)
To participate actively in synaptic transmission

What is the function of astrocytes in the nervous system?

To support neurons and modulate neuronal function
To participate actively in synaptic transmission (correct)
To produce myelin sheath for axons
To transmit and process information

What is the characteristic of neurons in terms of morphology and function?

Asymmetry in structure and function (A) Signup and view all the answers

What is the consequence of lack of myelination on electrical signal conduction?

Slowed down or prevented conduction of electrical signals (A) Signup and view all the answers

What is the function of neuroglia in the nervous system?

To support neurons and modulate neuronal function (C) Signup and view all the answers

Which of the following is NOT a function of astrocytes?

Phagocytosis of foreign invaders (D) Signup and view all the answers

What is the main function of ependymal cells?

Assisting in the movement of CSF through the ventricular system (C) Signup and view all the answers

Which of the following is NOT a function of microglia?

Scaffolding the CNS (C) Signup and view all the answers

What is the function of astrocyte endfeet?

To provide nourishment to endothelial cells (B) Signup and view all the answers

What is the function of CSF?

To provide a shock-absorbing fluid cushion for the brain and spinal cord (A) Signup and view all the answers

What is the role of astrocytes in the regulation of neurotransmitter concentrations?

To uptake excess glutamate and transfer glutamine to neurons (B) Signup and view all the answers