What term should the nurse use when talking about the outermost membrane surrounding the brain?
a. Dura mater
b. Arachnoid mater
c. Pia mater
d. Falx cerebri
ANS: A
The dura mater is the outer layer of the brain. The arachnoid is a spongy, web-like structure that loosely follows the contours of the cerebral structures. The pia mater adheres to the contours of the brain. The falx cerebri dips between the two cerebral hemispheres along the longitudinal fis-sure.
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