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PNUR 101 FINAL EXAM( Central nervous system) (1).
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PNUR 101 FINAL EXAM( Central nervous system) (1).
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PNUR 101 FINAL EXAM( Central nervoussystem)
what is the primary difference between the myelin sheath produced by Schwann cell, in
the PNS and oligodendrocytes in the CNS - ANS-Schwann cell myelin has an outer
layer called neurilemmal. Oligodendrocyte myelin does not.
list meninges form innermost layer of the outmost layer - ANS-Pia mater - arachnoid
mater - dura mater (2 layers)
what type if cells produces CSF, and where in the brain does this occur? -
ANS-Ependymal cells produce CSF in the choroid plexus in the ventricles of the brain
where isCSF reabsorbed back in the blood stream? - ANS-At the arachnoid villi
name the four main regions of the brain, and us the nail structures found in each
region? - ANS-Diencephalon - thalamus, hypothalamus, pituitary gland, pineal gland
what are the main function o the thalamus and annual g;as - ANS-Brainstem - midbrain,
pons, medulla oblongata
two functions of the pons - ANS-Cerebellum
what two organs are regulated by the medulla oblongata - ANS-Cerebrum - cerebral
cortex, corpus callosum
what is the function of the cerebellum - ANS-Thalamus - filters and relays sensory
information to cerebrum
names the lobe of the brain and any specific region if applicable that is primarily
involved in each of the following - ANS-Pineal gland - release melatonin
where do the sensory neurons enter the spinal cord>here do the motor neurons exit -
ANS-Sensory neurons enter at the dorsal root and travel up the dorsal horn. Motor
neuron information travels through the ventral horn and exit through the ventral root
what makes up white matter of the spinal cord? - ANS-Tracts of ascending and
descending neurons
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