Question 1

Which type of neuroglial cell is responsible for forming the myelin sheath in the central nervous system, as depicted in the left panel of the image?

Accepted Answer

Oligodendrocyte

Question 2

In the provided image, which cell type is primarily involved in regulating the chemical environment around neurons and facilitating exchange between neurons and capillaries?

Accepted Answer

Astrocyte

Question 3

Based on the histological section on the right, which structure is indicated by the arrows and is responsible for transmitting electrical impulses?

Accepted Answer

Neuron

Question 4

Which cell type shown in the left panel acts as the main immune defense in the central nervous system by monitoring neuron health and removing debris?

Accepted Answer

Microglial cell

Question 5

If the myelin sheath (as labeled in the left panel) is damaged, which of the following is most likely to occur?

Accepted Answer

Decreased speed of nerve impulse conduction

Question 6

Which of the following best describes the function of the cell labeled as 'Oligodendrocyte' in the left panel?

Accepted Answer

Forms myelin sheaths around axons in the CNS

Question 7

In the context of the image, which cell type would be responsible for responding to infection or injury in the CNS?

Accepted Answer

Microglial cell

Question 8

Which of the following statements about the cells shown in the left panel is correct?

Accepted Answer

Oligodendrocytes form myelin sheaths in the CNS

Question 9

If a patient has a disease that destroys oligodendrocytes, which process would be most directly affected?

Accepted Answer

Saltatory conduction in the CNS

Question 10

Which cell type, as shown in the left panel, is most likely to increase in number in response to CNS injury and is responsible for phagocytosis?

Accepted Answer

Microglial cell

Fundamentals of the Nervous System and Nervous Tissue: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards