Question 1

___________ provide immune support by using phagocytosis to remove pathogens.

Accepted Answer

microglia

Answer

Schwann cells

Answer

oligodendrocytes

Answer

astrocytes

Question 2

Unmyelinated neurons make up the ___________ matter of the CNS.

Accepted Answer

gray

Answer

white

Question 3

The myelin sheath in the central nervous system (CNS) is made from ______________.

Accepted Answer

oligodendrocytes

Answer

Schwann cells

Answer

microglia

Answer

astrocytes

Question 4

The _______________ prevents harmful substances from passing from the bloodstream into the brain.

Accepted Answer

blood-brain barrier

Answer

kidneys

Answer

sinuses

Answer

lymph nodes

Question 5

___________ form the myelin sheath in the peripheral nervous system (PNS).

Accepted Answer

Schwann cells

Answer

Microglia

Answer

Oligodendrocytes

Answer

Astrocytes

Question 6

Neurons with a myelin sheath have ___________ conduction speed.

Accepted Answer

increased

Answer

decreased

Question 7

Myelinated neurons make up the ___________ matter of the CNS.

Accepted Answer

white

Answer

gray

Question 8

The Blood Brain Barrier is made of _____________.

Accepted Answer

astrocytes

Answer

microglia

Answer

oligodendrocytes

Answer

Schwann cells

Question 9

______________ are the most common type of neuroglia.

Accepted Answer

Astrocytes

Answer

Microglia

Answer

Schwann cells

Answer

Oligodendrocytes

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