Neuro_Exam 1_Basal Gang Flashcards

1
Q

striatum wants to _____

A

inhibit GPE

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2
Q

GPE wants to _______

A

inhibit sub stalamus

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3
Q

subthalamus wants to ______

A

activate GPI

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4
Q

Dopamine acts on _____ to _____

A

D1 D2 to decrease EPI

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5
Q

subthalamus ______ to increase movement

A

activates subnigra to release dopamine to D2 or D1

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6
Q

D1 activated by the chemical

A

substance P (d block, styles p)

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7
Q

D2 activated by the chemical:

A

enkaphelin (incas-fell-in during hunting season) first neurons to die during hunting season

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8
Q

______ excite D2 neurons

A

cholinergic interneurons

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9
Q

_______ inhibits ach

A

muscarinic anticholinergic

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10
Q

____ is a disease involving ____ nuc lesion

A

hemiballisim, subthalamic nuc lesion. less appetite for Gooseberry pie (Gpi)

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11
Q

_____ involves death of enkaphelin

A

huntington’s disease

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12
Q

substantia nigra r____ contains _______ neurons that project to the ______

A

reticulata, GABArgic, thalamus and brainstem

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13
Q

substantia nigra c ______, contains _____ that project to the ______

A

pars compacta, dopaminergic, striatum

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14
Q

In healthy people, ______ neurons accumulate ______ giving the _____ a _____ color; in parkinsons, you see a loss of ____ showing a ____

A

dopamine, melanin, snc, dark, pigmentation, dopamine

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15
Q

_______ interneurons predominantly excite the _____, this balances the _______

A

cholinergic, indirect pathway, inhibitory effect of dopamine

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16
Q

________ can ameliorate ______ of PD

A

muscarinic anticholinergics, akinesia

17
Q

lesions of basal ganglia causes ______, the two groups are :

A

dyskinesias: hyperkinetic (temor, ballism, chorea, tics) hypokinetic (rigidity, bradykinesia, akinesia)

18
Q

huntingtons mnemonic:

A

Then hunting season caused an indirect (pathway D2) death of straight Korean (chorea) men (striatum) and it was the Incas who first fell in the trap (Enka-fell-in: first neurons to die)

19
Q

parkinsons mnemonic:

A

In the Park where Brady kind of used to play, there seemed to be a decrease in the directions, and it all made me indirectly increased my hunger for Gooseberry Pie;

20
Q

hemiballism mnemonic:

A

Hemi (semi) Bollywood dancer rode a unicycle up a ladder to the lama subway (subway of lamas instead of train cars) and they were no longer inhibited; This eventually caused a decreased in excitement for Gooseberry Pie (GPI)

21
Q

___ and ____ are additional movement disorders

A

essential tremor, rigidity

22
Q

______ are caused by ______ lesions and never change

A

rigidity, basal gang with lead pipes, and cop wheels

23
Q

______ are a resistance that varies with speed, ____ deep tendon reflex, _____ tone,

A

spasticity, clasped knife, clonus