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SCRN EXAM REVIEW QUESTIONS WITH GUARANTEED ACCURATE ANSWERS
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Posterior Cerebral Artery (PCA) - ACCURATE ANSWERS Arises from basilar. Supplies Occipital Lobe , Midbrain, Thalamus, Pineal Gland, Choroid Plexus, and Corpus Callosum Symptoms of PCA Stroke - ACCURATE ANSWERS -Contralateral Visual Field Homonymous hemianopia -Visual Agnosia (unable to interpre...

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  • October 18, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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SCRN EXAM REVIEW QUESTIONS
SCRN EXAM REVIEW QUESTIONS WITH GUARANTEED ACCURATE ANSWERS




Posterior Cerebral Artery (PCA) - ACCURATE ANSWERS✔✔ Arises
from basilar. Supplies Occipital Lobe , Midbrain, Thalamus, Pineal
Gland, Choroid Plexus, and Corpus Callosum


Symptoms of PCA Stroke - ACCURATE ANSWERS✔✔ -Contralateral
Visual Field Homonymous hemianopia
-Visual Agnosia (unable to interpret/recognize visual information)
- Weber's Syndrome (3rd nerve palsy + contralateral hemiplegia)
-Parinaud's Syndrome (Impaired upwards gaze, convergence-retraction
nystagmus, primary conjugate downward gaze)

,Anterior Inferior Cerebellar Artery (AICA) - ACCURATE
ANSWERS✔✔ Feeds anterior inferior parts of the cerebellum


Symptoms of AICA Stroke - ACCURATE ANSWERS✔✔ Lateral
Pontine Syndrome: vertigo, vomiting, nystagmus, falling towards the
side of the lesion, ipsilateral loss of sensation to the face, ipsilateral
facial paralysis, ipsilateral hearing loss


Posterior Inferior Cerebellar Artery (PICA) - ACCURATE
ANSWERS✔✔ Feeds cerebellum, superior section of the medulla,.
Choroid plexus and fourth ventricle


Symptoms of PICA Stroke - ACCURATE ANSWERS✔✔ Wallenburg
Syndrome (lateral Medullary Syndrome): Loss of pain and temperature
sensation in the contralateral trunk and ipsilateral face


Basilar Artery - ACCURATE ANSWERS✔✔ An artery, formed by the
fusion of the vertebral arteries, that supplies blood to the brainstem
(medulla and pons) and to the posterior cerebral arteries.


Symptoms of Basilar Artery Stoke - ACCURATE ANSWERS✔✔
Coma, quadriparesis, ataxia, dysarthria, CN dysfunction and visual
deficits, Locked in Syndrome, Intranuclear Opthalmoplegia, gaze
paresis, Millard Gulber Syndrome CN VI VII damage (diplopia facial
weakness, loss of corneal reflex), Nausea, vomiting, diplopia, gaze
palsy, dysarthria,. vertigo, tinnitus, hemiparesis, and quadriplegia.

,Anterior Cerebral Artery (ACA) - ACCURATE ANSWERS✔✔ Feeds
the media portion of the frontal and parietal lobes as well as the corpus
callosum


Symptoms of ACA Stroke - ACCURATE ANSWERS✔✔ Contralateral
motor/sensory deficits impacting legs > arms


Middle Cerebral Artery (MCA) - ACCURATE ANSWERS✔✔ Feeds
majority of the frontal, parietal, and temporal lobes, basal ganglia,
internal capsule. It is divided M1 - M4


Symptoms of MCA Stroke - ACCURATE ANSWERS✔✔ -Aphasia if
dominant hemisphere
-Neglect if non-dominant hemisphere
-Contralateral motor/sensory loss of face/arm/leg with Arms > Legs
-Anosognosia: neglect or lack of self awareness


Venous Vascular Anatomy - ACCURATE ANSWERS✔✔ Venous
channels enter into venous sinuses located in the Dura matter.


Superior Sagittal Sinus - ACCURATE ANSWERS✔✔ Travels
posteriorly between the cerebral hemispheres towards the occiput


Straight Sinus - ACCURATE ANSWERS✔✔ Travels along the
tentorium, draining blood from the superior cerebellar veins.

, Transverse Sinus - ACCURATE ANSWERS✔✔ Travels along the base
of the occiput laterally and forwardly


Sigmoid Sinus - ACCURATE ANSWERS✔✔ Begins beneath the
temporal bone and travels to the jugular foramen where it becomes the
internal jugular veins


Stroke Pathophysiology - ACCURATE ANSWERS✔✔ Arterial blood
flow to the brain tissue fails to meet metabolic demands resulting in cell
damage or death. ISCHEMIA FIRST THEN INFARCT.


Penumbra - ACCURATE ANSWERS✔✔ Zone surrounding the core
infarct, damaged by ischemia but not yet infarcted


---- functionally silent yet metabolically active


Hypoxia leading to Necrotic Pathway - ACCURATE ANSWERS✔✔
Cell energy failure


Hypoxia leading to Apoptotic Pathway - ACCURATE ANSWERS✔✔
Programmed cell death in the penumbral zone


ICH Stroke Pathophysiology - ACCURATE ANSWERS✔✔ Occurs
when a cerebral blood vessel opens abnormally and spills blood into
brain tissue.

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