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Neuroglia (Glial) Cells

Neuroglia (Glial) Cells

Assessment

Flashcard

Science

12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the primary function of oligodendrocytes in the central nervous system (CNS)?

Back

Oligodendrocytes wrap around the axons of neurons in the CNS, producing the myelin sheath that insulates axons and enhances the speed of electrical impulses.

2.

FLASHCARD QUESTION

Front

What role do astrocytes play in the central nervous system (CNS)?

Back

Astrocytes anchor neurons to capillaries, providing structural support and regulating the chemical environment around neurons.

3.

FLASHCARD QUESTION

Front

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

Back

Schwann cells wrap around the axons of neurons in the PNS, producing the myelin sheath that insulates axons and facilitates faster signal transmission.

4.

FLASHCARD QUESTION

Front

Define interneurons and their location in the nervous system.

Back

Interneurons are a type of bipolar neuron located only in the brain and spinal cord that pass impulses from one neuron to another.

5.

FLASHCARD QUESTION

Front

What are the two major divisions of the nervous system?

Back

The two major divisions of the nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS).

6.

FLASHCARD QUESTION

Front

What is myelin and why is it important for neuronal function?

Back

Myelin is a fatty substance that forms a sheath around the axons of neurons, which increases the speed of electrical signal transmission and protects the axon.

7.

FLASHCARD QUESTION

Front

How do oligodendrocytes and Schwann cells differ in their function?

Back

Oligodendrocytes are found in the CNS and can myelinate multiple axons, while Schwann cells are found in the PNS and typically myelinate a single axon.

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