To Which of the Following are the Words Blood-Brain Barrier

Question

To which of the following are the words blood-brain barrier and glia most related?
A) Saltatory conduction
B) Nodes of Ranvier
C) Action potentials
D) Astrocytes

Accepted Answer

Both the blood-brain barrier and glia are types of specialized cells in the central nervous system called astrocytes. The blood-brain barrier is formed by astrocytes and helps to protect the brain by regulating which substances can enter from the blood. Glia are also a type of astrocyte and play important roles in supporting and protecting neurons.