CN 11 - answer-Spinal accessory - shoulders up and down, turning head.
CN 12 - answer-Hypoglossal - tongue side to side.
Large vessel - answer-Carotid, vertebral, ACA, MCA, PCA; Caused by thrombus
or embolus typically; ICH at junctions or vessel turns; SAH aneurysms often at
vessel bifurcations
Carotid stroke - answer-Significant stroke, large territory; Contralateral motor and
sensory loss, homonymous hemianopsia; Aphasia if dominant side, contralateral
neglect if non-dominant side.Ipsilateral gaze preference, Amaurosis fugax,
Horner's Syndrome
Ant. Cerebral Art (ACA) - answer-ant circulation. Frontal lob, ant portion parietal
lobe, olfactory cortex, corpus callosum, leg motor cortex
ACA Stroke - answer-Stroke = Leg weakness > arm weakness, apathy, poor
reasoning and judgement, conjugate eye deviation, abulia (lack of expression,
and talking). Contralateral motor / sensory
Middle Cerebral Art (MCA) - answer-ant. Circulation. Surface of cerebral cortex,
portion of frontal; parietal, and temporal lobe. Basal ganglia, internal capsule
MCA Stroke - answer-aphasia if L hemi, neglect if R hemi; ipsilateral forced eye
deviation, contralateral homonymous hemianopsia and motor / sensory loss,
arms weaker than legs
Post. Cerebral Art (PCA) - answer-occipital lobe, deeper post. Brain structures.
Basilar artery, posterior cerebral artery (PCA), superior cerebellar artery (SCA),
anterior inferior cerebellar artery (AICA), and posterior inferior cerebellar artery
(PICA).
PCA Stroke - answer-less common; contralateral loss of pain and temp
sensation, visual field loss
Weber's Syndrome - answer-Midbrain stroke; ipsilateral gaze weakness,
contralateral weakness of UE and LE.
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