A Lumbar Puncture is Done by Inserting a Needle into The

Question

A lumbar puncture is done by inserting a needle into the
A) dural sinus.
B) central canal.
C) arachnoid villus.
D) subarachnoid space.

Accepted Answer

A lumbar puncture is done by inserting a needle into the subarachnoid space, which is located below the arachnoid and above the pia mater layers of the meninges that surround the spinal cord. This space contains cerebrospinal fluid (CSF), which can be analyzed for diagnostic purposes.