Central Nervous System (CNS) Overview
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Questions and Answers

What is the purpose of the blood-brain barrier?

Prevents certain substances from entering the tissues of the CNS

How does inflammation affect the blood-brain barrier?

Makes the barrier more penetrable

What are the three layers of the meninges?

Dura Mater, Arachnoid Mater, Pia Mater

What is the function of the subarachnoid space?

<p>Contains Cerebrospinal Fluid (CSF) which cushions the CNS</p> Signup and view all the answers

Which spinal segment contains the motor neurons for the leg muscles?

<p>Lumbar</p> Signup and view all the answers

What is the last segment of the spinal cord?

<p>Coccygeal</p> Signup and view all the answers

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