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Stroke Localization Test

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1.
Lacunar Strokes from normal strokes ?
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2.
A lesion of the right optic tract = ?
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3.
How a Lacunar Stroke Occurs ?
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4.
Visual field representation = ?
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5.
Amnesia and the hippocampus = ?
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6.
In a person with prolonged, untreated high blood pressure, multiple lacunar strokes can occur, and cause ?
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7.
What else might you see in someone with Brocas ?
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8.
Visual Pathway = ?
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9.
A lesion of the parietal portion of the right optic radiation = ?
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10.
Symptoms of a Lacunar Stroke = ?
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11.
LGN layers = ?
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12.
A lesion of the right optic radiation specific to Meyer’s loop = ?
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13.
The pretectum goes to what ganglion ?
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14.
Lacunar Stroke Prognosis ?
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15.
Fluent Aphasia = ?
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16.
Is the major target of the retinal ganglion cells ?
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17.
What types of aphasia are there?
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18.
Central Projections of the retina (4 of them)?
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19.
A lesion of the right optic radiation just after the LGN = ?
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20.
A lesion of the right optic nerve causes = ?
A.
* All of the past CxSx, and emotional behavior and dementia.
B.
* loss of vision in the lower quadrant of the left hemifield
C.
* Have a way better prognosis and recovery over that of a regular large artery stroke
D.
* The axons of ganglion cells exit the eyes via the optic nerve, partially cross at the optic chiasm, and form two optic tracts, so that the right and left hemifields reach the left and right hemispheres
E.
* loss of past memories
F.
* There are two broad categories of aphasia: fluent and non-fluent.
G.
* Each hemifield is projected onto the nasal hemiretina of the ipsilateral1 eye and the temporal hemiretina of the contralateral eye
H.
* All depend on the area it takes place in : Weakness or paralysis of the face, arm, leg, foot or toes -- Sudden numbness -- Difficulty walking -- Difficulty speaking -- Clumsiness of a hand or arm -- Weakness or paralysis of eye muscles
I.
* complete loss of vision in the left hemifield: contralateral “homonymous” hemianopsia.
J.
* 6 layers receive inputs from either the ipsilateral or contralateral eye... * left eye project to layers 1, 4 & 6 of the right LGN, and the right eye ganglion cells project to its layer 2, 3 & 5.
K.
* total loss of vision in the right eye; it also produces a right afferent pupil deficit.
L.
* loss of vision in the left hemifield: contralateral “homonymous” hemianopsia
M.
* Lateral geniculate nucleus in the thalamus
N.
* These deeper structures receive their blood flow through a unique set of arteries. Because of the characteristics of these arteries, lacunar strokes happen a little bit differently from other strokes
O.
* Damage to the temporal lobe of the brain may result in a fluent aphasia called Wernicke's aphasia .... * Speak "Word Salad" and have no clue they are doing it
P.
* Edinger-Westphal nuclei
Q.
* right-sided weakness or paralysis of the arm and leg because the frontal lobe is also important for motor movements
R.
* 1) lateral geniculate nucleus = relays visual info to the primary visual cortex; 2) superior colliculus = control orienting eye mvts; 3) hypothalamus = which regs the circadian rhythms; and 4) pretectum = pupillar light reflex
S.
* loss of vision in the upper quadrant of the left hemifield
T.
* occurs when one of the arteries that provide blood to the brain's deep structures is blocked...* are smaller arteries in the brain since it goes to deeper structures, so HTN usu causes this
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21.
A stroke in a deep area of the brain (for example, a stroke in the thalamus, the basal ganglia or pons) is called ?
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22.
* Aphasia is caused by damage to one or more of the language areas of the brain

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