Which Statement About Microglia Is True

question 211

Multiple Choice

Which statement about microglia is true?

• A) They are activated by damage to neural tissue.
• B) They act as macrophages in the peripheral nervous system.
• C) They form synapses with brain neurons and conduct action potentials.
• D) They form myelin sheaths around neurons of the peripheral nervous system.
• E) They supply neurons of the brain and spinal cord with nutrients.

---

Definitions:

Sieve Element

A type of cell found within the phloem of vascular plants, responsible for transporting sugars and other nutrients throughout the plant.

Companion Cell

In phloem, cell that provides metabolic support to its partnered sieve element.

Source Region

An area where specific air masses form, characterized by its uniform temperature and humidity patterns influencing weather and climate.

Sugars

Simple carbohydrates that are used as a primary energy source for living organisms.