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72 Cards in this Set

  • Front
  • Back
Damage to the ____ spinal artery can cause loss of proprioceptive, pressure and vibration sense.
posterior
Damage to the ___ spinal artery can cause bilateral paralysis, loss of pain, and temperature sense.
anterior
The ____ artery travels along the optic nerve to supply the eyeball and other orbital structures.
opthalmic
_____ artery supplies the optic tract, some choriod plexus, part of cerebral peduncle and portions of the internal capsule, thalamus, and hippocampus.
anterior choroidal
The ____ artery joins the internal carotid artery to the posterior cerebral artery
posterior communicating artery
The ____ artery courses along the longitudinal fissure to supply the medial aspect of the frontal and parietal lobes.
anterior cerebral
The _____ artery supplies SOME precentral (____) and postcentral (____) gyri.
anterior cerebral, motor, somatosensory
Occlusion of an anterior cerebral artery caues _____ and ____ deficits restricted to the ____ limbs.
contralateral motor, somatosensory, lower
The ____ artery goes into the lateral sulcus, supplying the insula and most of the lateral surface of the cerebral hemisphere.
middle cerebral artery
The _____ supplies MOST of the precentral and postcentral gyri.
middle cerebral artery
Occlusion of a middle cerebral artery causes restricted _____ and ____.
contralateral, somatosensory (hands and face)
If the middle cerebral artery is occluded on the left hemisphere, _____ may be apparent.
Speech deficits (Wernickes and Brocus)
The ____ artery supplies the superior surface of the cerebellum and most of the caudal midbrain and rostral pon.
superior cerebellar arteries
Occlusions in the ____ artery effect the superior cerebellar peduncle and cerebellum.
superior cerebellar
Medial medullary sybdrome is caused by occlusion of the _____ artery.
anterior spinal artery
Occlusion of the anterior spinal artery affects the _____ tract, the _____ lemniscus, and _____ nucleus.
corticospinal, medial, hypoglossal (CN XII)
Affects on contralateral arm and leg, touch/pressure, and ipsilateral tongue movement is a sign of ____ occlusion.
anterior spinal artery (medial medullary syndrome)
The corticospinal tract is responsible for _____ movement.
contralateral arm and leg
The medial lemniscus is responsible for ______.
touch/pressure
The _____ nucleus is responisible for ipsilateral tongue movement.
CN XII (hypoglossal nucleus)
The ____ supplies much of the inferior surface of cerebelar hemispheres.
PICA
The ____ supplies the latteral medulla, much of the inferior surface of the cerebellar hemispheres, and choroid plexus of 4th ventricle.
PICA
Occlusion of the PICA causes _____ syndrome.
lateral medullary (Wallenbergs syndrome)
Occlusion of the the ____ affects the inferior cerebellar peduncle, spinothalamic tract, descending sympathetic fibers, nucleus ambiguous, and nucleus solitaris.
PICA (Wallenberg's syndrome)
Occlusion of the PICA causes ____ because of its effect on the inferior cerebellar peduncle.
ataxia
Occlusion of the PICA affects ____ because of its effect on the spinothalamic tract.
pain/temp sensation
Occlusion of the PICA causes ____ because of its effect on the descending sympathetic fibers.
Horners syndrome
Occlusion of the PICA causes ____ because of its affect on the nucelus ambiguous.
difficulty speaking and swallowing (CN IX, X)
Occlusion of the PICA affects ____ because of its effect on the nucleus solitarus.
ipsilateral taste
The ____ supplies anterior portions of the inferior surface of the cerebellum and parts of the pons
AICA
Occlusion of the ____ affects the middle cerebellar peduncle, vestibular nuclei, spinal V nucleus and tract, and descending sympathetic fibers.
AICA
Occlusion of the AICA causes ____ because of its effect on the middle cerebellar peduncle.
ataxia
Occlusion of the AICA causes ____ because of its effect on the vestibular nuclei.
vertigo
Occlusion of the AICA affects ____ because of its effect on the spinal V nucleus and tract.
facial pain sensation
Occlusion of the AICA affects ____ because of its effect on the spinothalamic tract.
pain/temp contralateraly
Occlusion of the AICA causes ____ because of its effect on the descending sympathetic fibers.
horners syndrome
The ____ branches supply the medial portion of the lower and upper pons.
paramedian pontine
Occlusion of the ____ affects descending sympathetic fibers, pontocerebellar fibers, and spinothalamic tract.
short circumferential
Occlusion of the ____ affects the corticospinal tract, facial nucleus, abducens nucleus and pontine gaze center.
paramedian pontine branches
Occlusion of the paramedian pontine affects ____ because of its effect on the corticospinal tract.
contralateral movement
Occlusion of the paramedian pontine affects facial expression because of its effect on the _____ nucleus.
facial
Occlusion of the paramedian pontine affects ____ because of its effect on the abducen nucleus and pontine gaze center.
reticular movement
The _____ branches supply an area in ventrolateral pons.
short circumferential
The _____ branches supply most of the tegmentum of the rostral and caudal pons.
long circumferential
Occlusion of the long circumferential branches causes affects on the ____ and _____ tract.
gaze center, spinothalmic
Occlusion of the ____ affects the middle cerebellar peduncle, vestibular nuclei, spinal V nucleus and tract, and descending sympathetic fibers.
AICA
Occlusion of the AICA causes ____ because of its effect on the middle cerebellar peduncle.
ataxia
Occlusion of the AICA causes ____ because of its effect on the vestibular nuclei.
vertigo
Occlusion of the AICA affects ____ because of its effect on the spinal V nucleus and tract.
facial pain sensation
Occlusion of the AICA affects ____ because of its effect on the spinothalamic tract.
pain/temp contralateraly
Occlusion of the AICA causes ____ because of its effect on the descending sympathetic fibers.
horners syndrome
The ____ branches supply the medial portion of the lower and upper pons.
paramedian pontine
Occlusion of the ____ affects descending sympathetic fibers, pontocerebellar fibers, and spinothalamic tract.
short circumferential
Occlusion of the ____ affects the corticospinal tract, facial nucleus, abducens nucleus and pontine gaze center.
paramedian pontine branches
Occlusion of the paramedian pontine affects ____ because of its effect on the corticospinal tract.
contralateral movement
Occlusion of the paramedian pontine affects facial expression because of its effect on the _____ nucleus.
facial
Occlusion of the paramedian pontine affects ____ because of its effect on the abducen nucleus and pontine gaze center.
reticular movement
The _____ branches supply an area in ventrolateral pons.
short circumferential
The _____ branches supply most of the tegmentum of the rostral and caudal pons.
long circumferential
Occlusion of the long circumferential branches causes affects on the ____ and _____ tract.
gaze center, spinothalmic
The _____ arteries supplies the medial and inferior surfaces of the OCIPITAL and temporal lobes.
posterior cerebral arteries
The ____ sends branches to rostral midbrain and caudal dicephaon, and gives rise to posterior choroid arteries which supply the choroid plexus of the 3rd and lateral ventricles.
posterior cerebral arteries
____ syndrome is unilateral damage to the ventra region of the midbrain caused by occlusion of the posterior/basilar arteries.
Webers
Webers syndrome results in _____ and _____, alternating hemiplegia.
ipsilateral oculomotor nerve palsy and contralateral hemiplegia (corticospinal fibers)
____ syndrome is caused by damage to the ventral and tegemnetal regions of the midbrain caused by occlusion of the posterior cerebral arteries.
Benedikts
Benedikts syndrome results in _____, _____, _____, and _____.
oculomotor paresis, contralateral hemiparesis, contralateral ataxia, tremor
Anterior cerebral, internal carotid, and posterior cerebral arteries of both sides are connected creating the ____.
circle of willis (critical anastomotic
A ____ is abrupt vascular insufficiency or bleeding into or adjacent to the brain.
stroke (usually caused by thrombus or embolism)
A ____ and ____ stroke are caused by a clog or bleeding, respectively.
ischemic, hemorrhagic
A _____ is caused by minute particles that occlude arteries and then are degraded.
transient ischemic attack
A ____ is swelling of arterial walls usually at bifurcations, which can compress brain structures as it swells or it can rupture.
aneurysms
Two adjacent vessel occlussions cause _____ in regions between them.
watershed zones