NURS 231 Pathophysiology Module 6 Exam Question and Answers
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Course
NURS 231
Institution
NURS 231
List the 2 major divisions of the nervous system
~Ans~ CNS
PNS
List the structures found in CNS
~Ans~ brain and spinal cord
List the structures found in PNS
~Ans~ spinal nerves, cranial nerves, and ganglia that are outside of the CNS.
what are the 3 meninges
~Ans~ dura mater
arachnoid laye...
~Ans~ spinal nerves, cranial nerves, and ganglia that are outside of the CNS.
what are the 3 meninges
~Ans~ dura mater
arachnoid layer
pia mater
pia mater
,~Ans~ -innermost layer
-thin and delicate
-contains surface level blood vessels that perfuse the brain and spinal cord
arachnoid layer
~Ans~ -second layer
-encases the entire CNS
-delicate, nonvascular, and waterproof
subarachnoid space
~Ans~ Cerebrospinal fluid (CSF) circulates in an area just below the arachnoid
layer called the subarachnoid space
dura mater
~Ans~ -third layer
-strong, continuous connective tissue sheath
-provides the brain and spinal cord with most of its protection
Describe how CSF is produced
, ~Ans~ choroid plexus (Specialized ependymal cells) project into the ventricles and
produce CSF
CSF function
~Ans~ -serves as a cushion for the brain and spinal cord protecting them from
outside physical force
-maintains a constant ionic environment that allows for the diffusion of essential
nutrients, electrolytes, and metabolic waste products into the extracellular fluid
surrounding the CNS neurons
cranial nerve memorization trick (CNI-CNXII)
~Ans~ Oh
Once
One
Takes
The
Anatomy
Final
Very
Good
Vacations
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