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SCRN Exam 2025-26 Q&A-s latest update(passed).
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SCRN Exam 2025-26 Q&A-s latest update(passed).
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SCRN Exam 2025-26 Q&A's latestupdate(passed)
Anterior circulation: unilateral or bilateral deficits?
Unilateral
Posterior circulation: unilateral or bilateral deficits?
Bilateral
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Brainpower
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Largest part of brain
Cerebrum
Motor function, Broca's area
Frontal lobe
Increased seizure risk with stroke here
Temporal lobe
Hearing centers here
temporal lobe
Main function of parietal lobe?
Sensory input for touch & body position
,Neglect often seen with stroke in which lobe?
Parietal
Common cause of basal ganglia stroke
Chronic HTN (leading to hemorrhagic stroke)
Main function of thalamus
Sensory switchboard (relay station) located on top of brainstem, sleep
wake cycle (made up of about 60 different nuclei classified by location)
Symptoms of stroke in Thalamus
Sx often wax/wane, thalamic pain syndrome
Thalamic pain syndrome
Burning/tingling sensations & hypersensitivity to stimuli that wouldn't
normally be painful i.e. light touch & temperature changes
Main function of cerebellum
Balance & coordination of muscle movements
Common s/s of Left (dominant) hemisphere CVA?
Left gaze preference (looks toward lesion), R homonymous hemianopia, R
hemiparesis, R hemisensory loss, aphasia*
Common s/s of Right hemisphere CVA?
Left homonymous hemianopia, L hemiparesis, L hemisensory loss, L
neglect*, agnosia
Agnosia
the inability to recognize familiar objects.
S/s of Horner's syndrome
ipsilateral ptosis, miosis (pinpoint pupils), facial anhidrosis
Locked in syndrome is d/t stroke in what area?
Pons (often d/t basilar artery occlusion)
How to communicate to pt with locked in syndrome?
Blinking eye movements
Common cause of CVT (cerebral venous thrombosis)
Hypercoaguable state (pregnancy, certain meds, dehydration)
Common cause & treatment of carotid or vertebral dissection
, Trauma, anticoagulation
Common s/s arteriovenous fistula
Ptosis, eye pops out, hears swishing
2 classifications of carotid cavernous fistula & when they occur
High & low flow, high flow occurs within days/weeks of head injury, low
flow develops slowly over time
High flow cavernous fistula cause
Occur in pt's with atherosclerosis & HTN w/ carotid aneurysms that
rupture within cavernous sinus, or secondary to closed head trauma (basal
skull fracture)
What is a carotid cavernous fistula?
Arterial venous connection between carotid artery & cavernous sinus (a
large vein behind the eye), causing a "bulging red eye"
S/S high flow carotid cavernous fistula
HA, confusion, orbital bruit, pitosis
Which types of carotid cavernous fistula are high flow/pressure?
Type A
What is Moya Moya disease?
"Puff of smoke," ICA's become narrowed/stenosed (small, thin-walled
torturous arteries), brain tries to make up for decreased flow by making
new vessels (collateral circulation). Can eventually lead to total occlusion
& CVA
Moya Moya risk factors
Young Asian female, genetic
Moya Moya treatment options
Re-establish blood flow, antiplatelets, CCB, surgery (Synangiosis)
Synangiosis
A surgical procedure that reroutes blood vessels to treat conditions that
cause restricted blood flow to the brain
Vasculitis: definition & treatment
Inflammation of blood vessels, steroids
Cavernous hemangioma: definition & symtoms
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