Flashcard Set Preview
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| 1 |
what influence muscle tone and invol. muscle activity?
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descending reticular formation
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| 2 |
nerve cell bodies of seratonin, epinepherine, dopamine are formed in?
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reticular formation
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| 3 |
Blood Brain Barrier
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prevents most cells and blood-borne toxins from entering brain
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| 4 |
can steroid and fat soluble sub. readily cross BBB?
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yes
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| 5 |
elements of BBB
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least permeable capillaires in body and tight junctions
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| 6 |
main function of BBB
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maintian immune environment in brain
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| 7 |
resident immune cell of CNS?
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microglia
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| 8 |
how do you located the caudate nucleus?
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along lateral ventricle
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| 9 |
is lateral ventricle in occip?
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yes
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| 10 |
what ventricle does the caudate nucleus followalong?
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lateral ventricle; whenever we see spot attached to lateral ventical it is caudate nuclei
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| 11 |
if it touches the third ventricle say
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diencephalon/thalmus
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| 12 |
are colliculi on dorsal or ventral side?
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dorsal side
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| 13 |
mammalary on ventral or dorsal?
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ventral side
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| 14 |
where does second neuron in motor pathway lives in the....
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ventral horn of the spinal cord
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| 15 |
How many neurons in the lateral corticospinal tract?
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2. First one lives in the precentral
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| 16 |
when pyramidal decc. happens in coricospinal trac/spinal is it contralateral or ipislateral?
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contra. in brain it is ipsi.
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| 17 |
what houses second neuron of motor pthway? Lateral coricospinal
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ventral horn
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| 18 |
What happens with upper motor legion? (Lower motor nueron still there)
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spastic paralysis/hyperreflexive
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| 19 |
what happens with lower motor legion?
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check
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| 20 |
Another name of sympathetic nervous sys
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thoracolumbar system. starts at T1-L2
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| 21 |
where is the first preganglionic neuron in sympathtic NS
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spinal cord of T1
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| 22 |
how many neurons in symp>
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Two; one can live in the chain ganglion; other axions go past chain ganglia and synapse with...
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| 23 |
how many neurons in symp?
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2
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| 24 |
if the second neuron in symp. ns doesn't synapse in chain ganglia, where does it synapse?
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ciliac ganglia, superior mesotanric, inferior mesonteric
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| 25 |
what are two kinds of ganglia in SNS?
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aortic and chain.
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| 26 |
is adrenal medulla controlled by symp?
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yes
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| 27 |
do you know where the synapse of the neurons for adrenal medulla is?
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not yet
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| 28 |
dermatome
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band of skin on body that represents spinal innervations
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| 29 |
legion above T1 would sacral PS nervous be impacted?
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Yes
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| 30 |
if you lose discriminitive touch on right side, is the cut of spinal cord on same side?
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Yes?????Decussates in medulla. Dorsal column pthway
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| 31 |
If you lose nondiscrimitive touch have you cut on opposite side?
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yes. decusates through the ventral white commisure right away. Spinothalmic assending pathway
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