Question 1

Which glial cell is primarily affected in diseases such as multiple sclerosis, which damage the myelin sheath of neurons in the CNS?

Accepted Answer

Oligodendrocyte

Question 2

A patient presents with symptoms of impaired cerebrospinal fluid circulation. Which glial cell is most likely dysfunctional?

Accepted Answer

Ependymal cell

Question 3

Which glial cell is responsible for monitoring the health of neurons and transforming into a macrophage to phagocytize microorganisms or neuronal debris?

Accepted Answer

Microglial cell

Question 4

Astrocytes play a critical role in the CNS by:

Accepted Answer

Aiding in exchanges between capillaries and neurons

Question 5

Which cell forms a barrier between cerebrospinal fluid and CNS tissue fluid?

Accepted Answer

Ependymal cell

Question 6

If a patient has a CNS infection and immune cells have limited access, which glial cell provides a protective role?

Accepted Answer

Microglial cell

Question 7

Which glial cell is most abundant and versatile in the CNS?

Accepted Answer

Astrocyte

Question 8

Which cell type is depicted in image (d) and is responsible for forming myelin sheaths in the CNS?

Accepted Answer

Oligodendrocyte

Question 9

A patient with demyelinating disease is most likely to have damage to which cell type?

Accepted Answer

Oligodendrocyte

Question 10

Which glial cell is depicted in image (b) and is involved in immune defense within the CNS?

Accepted Answer

Microglial cell

Question 11

Which cell type lines the cavities of the CNS and helps circulate cerebrospinal fluid?

Accepted Answer

Ependymal cell

Question 12

Which glial cell would be most involved in repairing the blood-brain barrier after injury?

Accepted Answer

Astrocyte

Question 13

Which cell type is depicted in image (a) and is involved in supporting neurons and regulating the extracellular environment?

Accepted Answer

Astrocyte

Question 14

Which glial cell is most likely to migrate toward injured neurons and remove debris?

Accepted Answer

Microglial cell

Question 15

Which cell type is depicted in image (c) and forms a barrier between cerebrospinal fluid and CNS tissue?

Accepted Answer

Ependymal cell

Question 16

Which glial cell is involved in making exchanges between capillaries and neurons?

Accepted Answer

Astrocyte

Question 17

Which glial cell is depicted in image (d) and is essential for rapid signal transmission in the CNS?

Accepted Answer

Oligodendrocyte

Question 18

Which glial cell would be most affected by a disease that impairs the formation of myelin in the CNS?

Accepted Answer

Oligodendrocyte

Question 19

Which cell type is depicted in image (b) and is responsible for immune surveillance in the CNS?

Accepted Answer

Microglial cell

Question 20

Which glial cell is most likely to be involved in the response to CNS injury by removing dead neurons?

Accepted Answer

Microglial cell

Glial Cells and Diseases Affecting the Myelin Sheath

Study Guide - Practice Questions

Study Guide - Flashcards