Correct Answers | New Update
1.internal carotid artery: Name this artery.
2.anterior cerebral artery - top is A2, bottom is A1
A1 - supplies internal capsule, limbic system; may have minimal Sx d/t collateral
flow from ACoA
A2 - contralateral paresis and anesthesia of lower limb: Name this artery and its segments.
Name the stroke symptoms associated with occlusion of each segment.
3.middle cerebral artery - M1 is proximal to the early cortical branches and M2 is distal to
the early cortical branches
either segment - contralateral hemiplegia, hemianesthesia, homonymous
hemianopia
Dominent hemisphere = Dysarthria (actually aphasia)
Nondominent = Neglect: Name this artery and its segments.
Name the stroke symptoms associated with occlusion of each segment.
4.posterior cerebral artery - P1 is proximal to PCoA, P2 is distal to PCoA.
P1 Syndrome - affects midbrain, thalamus, hypothalamus. Claude syndrome -
third nerve palsy and contralateral ataxia (red nucleus of midbrain); Weber's
syndrome - third nerve palsy and hemiplegia (cerebral peduncle)
P2 Syndrome - affects medial temporal and occipital lobes. Contralateral
homonymous hemianopia with macular sparing.: Name this artery and its segments.
Name the stroke symptoms associated with occlusion of each segment.
5.basilar artery
"Locked in" syndrome - quadreplegia, cranial nerve signs, preserved conscious-ness (lower
midbrain): Name this artery. Name the stroke symptoms associated with occlusion of this artery.
6. pontine arteries: #11 - name the arteries
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7.superior cerebellar artery: #10 - name the artery
8.anterior inferior cerebellar artery - ipsilateral limb Ataxia, contralateral loss of pain and
temperature
Lateral pontine syndrome (fACIAl): loss of taste, lacrimation, salivation, hyper-
aucusis ipsilateral; ipsilateral paralysis of face: #14 - name the artery. Name the
stroke symptoms associated with occlusion of this artery.
9.posterior inferior cerebellar artery - lateral medullary / Wallenberg syndrome PIC - Pain
and temperature, Ipsilateral loss on face, Contralateral loss on body. Horner syndrome
(small pupil, ptosis, decreased sweating; "pH = PICA/Horner").: #16 - name the artery.
Name the stroke symptoms associated with occlusion of this artery.
10.vertebral artery: Name this artery.
11. posterior limb of the internal capsule: A lacunar stroke of what area would cause a pure motor
stroke, or lower extremity ataxia?
12. ventroposterolateral nucleus of thalamus: A lacunar stroke of what area would cause a pure
sensory stroke?
13.basilar pons: A lacunar stroke of what area would cause dysarthria/clumsy hand syndrome?
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