Fluid & Meningeal Physiology || VERIFIED
ANSWERS <2025 Edition>
Description:
A detailed exam guide based on Strasinger’s AUBF text, focusing on the anatomy and
physiology of cerebrospinal fluid (CSF) and the meninges. Includes verified questions and expert
explanations.
Keywords:
Strasinger AUBF
CSF exam
cerebrospinal fluid
meningeal anatomy
urinalysis and body fluids
verified CSF questions
nursing lab science
neurophysiology
CSF - ANSWER A major fluid of the body, provides a physiologic system to supply nutrients
,to the nervous tissues, remove metabolic wastes, and produce a mechanical barrier to cushion the
brain and spinal cord against trauma
Meninges - ANSWER Lines the brain and the spinal cord
Dura mater - ANSWER Outer layer meninges that lines the skull and vertebral canal
Hard mother - ANSWER Translates to dura mater
Arachnoid - ANSWER Filamentous inner membrane (meninges)
Spiderweb-like - ANSWER Translates to arachnoid
Pia mater - ANSWER Thin membrane lining the surfaces of the brain and spinal cord
(meninges)
Gentle mother - ANSWER Translates to pia mater
,Choroid plexuses - ANSWER CSF is produced in the _____ of the two lumbar ventricles and
the third and fourth ventricles
20mL/min - ANSWER Adults produce this amount of CSF
Subarachnoid space - ANSWER CSF flows through the ____ located between the arachnoid
and pia mater
90-150 ml - ANSWER Maintaining volume of CSF in adults
10-60 ml - ANSWER Maintaining volume of CSF in neonates
Cells of the arachnoid granulations - ANSWER Acts as a one-way valves that respond to
pressure within the central nervous system and prevent reflux of the fluid
Choroid plexuses - ANSWER Capillary networks that form the CSF from plasma by
mechanisms of selective filtration under hydrostatic pressure and active transport secretion
, Blood brain barrier - ANSWER Tight-fitting structure of the endothelial cells in the choroid
plexuses
CSF - ANSWER Routinely collected by lumbar puncture between the third, fourth (adult) or
fifth (pediatric) lumbar vertebra
Slowly - ANSWER Elevated pressure requires CSF to be withdrawn ___
3 - ANSWER CSF is collected in ___ sterile tubes
Chemical, serologic tests - ANSWER Tube 1 is for ____ which is least affected by blood or
bacteria introduced as a result of the tap procedure
Microbiology - ANSWER Tube 2 is for ____
Cell count, hematology - ANSWER Tube 3 is for ___ which is least likely to contain cells
introduced by the spinal tap procedure