During a brain surgery, a surgeon passes an instrument through the dura mater. Which one of the following does the surgeon pass through next?
A) bones of the skull
B) vertebrae
C) cerebrospinal fluid
D) pia mater
E) arachnoid

Question

Quizplus · Accepted Answer

After passing through the dura mater, the surgeon would next encounter the arachnoid mater, which is the next meningeal layer before reaching the cerebrospinal fluid and pia mater.

During a Brain Surgery, a Surgeon Passes an Instrument Through