SCRN QUESTIONS AND ANSWERS
100% CORRECT.
Subarachnoid hemorrhage is most commonly caused by what? - ANSWERaneurysmal
rupture
the dural fold that separates the cerebrum from then cerebellum is the -
ANSWERtentorium
the innermost meningeal layer that fits the brain like a latex glove fits the hand is the -
ANSWERpia mater
the frontal lobe contains which of the following:
wernicke's area
motor strip
sensory strip
globus pallidus - ANSWERmotor strip
the post central gyrus is located in the - ANSWERparietal lobe
homunculus - ANSWERdiagram that depicts what body parts are controlled by the
motor sensory strips
The ___________ is the relay station between the cerebral cortex & brainstem. -
ANSWERthalamus
the diencephalon refers to which structures? - ANSWERthalamus, hypothalamus, pineal
gland
someone who cannot understand what is said to them has had an infarct of the -
ANSWERtemporal lobe
which brainstem structure connects to the spinal cord & controls respiratory and heart
rates? - ANSWERmedulla oblongata
you are an ED RN whose patient presents w/ staggering gait and slurred speech. the
patient denies having been drinking and the alcohol level is normal, but the CT scan is
positive for infarct in the - ANSWERcerebellum
the most common cardioembolic source for stroke is - ANSWERa fib
which of these is NOT part of the circle of willis?
middle cerebral arteries
,internal carotid arteries
posterior communicating arteries
posterior cerebral arteries - ANSWERmiddle cerebral arteries
patients w/ adequate blood supply around the borders of their infarct zone have good -
ANSWERcollateral circulation
t/f: the vertebral arteries connect the subclavian arteries and the posterior brain -
ANSWERtrue
a DVT can cause a stroke only if there is a presence of what cardiac structure? -
ANSWERPFO
your pt with an anterior cerebral artery territory stroke is acting "frontal". what is the
patient doing? - ANSWERbehaving inappropriately
which syndrome would you think of for a patient who presents with acute right-sided
weakness; that is, right facial droop, right arm = 2/5 strength, right leg = 4/5 strength? -
ANSWERmiddle cerebral artery syndrome
which of the following is NOT a lacunar syndrome?
disconjugate gaze syndrome
pure motor syndrome
pure sensory syndrome
dysarthria-clumsy hand syndrome - ANSWERdisconjugate gaze syndrome
intraparenchymal hemorrhage is synonymous with - ANSWERintracerebral hemorrhage
Ondine's curse refers to a syndrome characterized by cessation of respiration during
sleep owing to failure of the automatic respiratory center in the - ANSWERmedulla
oblongata
locked-in syndrome refers to a stroke in which area of the brain? - ANSWERPons
which symptom is characteristic in a patient with damage to the Broca's area? -
ANSWERexpressive aphasia
the most common cause of intracerebral hemorrhage is - ANSWERhypertension
causing arterial wall rupture
which area is affected in patients with extinction, formally known as neglect? -
ANSWERparietal lobe
a stroke between 2 adjacent cerebral arteries is known as a/an - ANSWERwatershed
infarct
, which of the following best describes the cerebral cortex?
folds of gray matter playing an important role in consciousness
folds of white matter playing an important role in consciousness
tracts of white matter playing an important role in autonomic fx
tracts of gray matter playing an important role in motor fx - ANSWERfolds of gray matter
playing an important role in consciousness
the corpus callosum is best described by which of the following statements?
a band of gray matter fibers that facilitates communication b/t the cerebral cortex & the
brainstem
a band of white matter fibers that facilitates communication b/t the left & right
hemispheres
the posterior portion of the petrosal sinus that facilitates drainage between the
transverse sinus and the jugular vein
the 6th ventricle present in approximately 20% of the population - ANSWERa band of
white matter fibers that facilitates communication between the left and right
hemispheres
the vascular wall structure that is impacted by uncontrolled DM & uncontrolled HTN is
the - ANSWERtunica intima
arteriovenous malformations can result in a hemorrhagic stroke. this is due to what? -
ANSWERarteries & veins connecting directly rather than the usual route of arteries to
arterioles, to capillaries, to venules, to veins
name the condition that is related to a hyper coagulable state, but can present as
intracerebral hemorrhage and is treated w/ heparinization - ANSWERvenous sinus
thrombosis
the blood-brain barrier plays what role in an acute ischemic stroke? -
ANSWERdisruption allows the influx of inflammatory cells resulting in edema &
hemorrhagic transformation
multiple tiny infarcts in the same hemisphere is a clue to which condition? -
ANSWERcarotid dissection
normal cerebral blood flow is 45-60mL/100g/min. At what flow rate does irreversible
brain damage occur? - ANSWERless than 10 mL/100g/min
under conditions of hyperthermia, what changes occur in the brain? - ANSWERincrease
in metabolic needs
name the circumstance in which thrombolysis might be administered to a hemorrhagic
stroke patient. - ANSWERintraventricular hemorrhage
100% CORRECT.
Subarachnoid hemorrhage is most commonly caused by what? - ANSWERaneurysmal
rupture
the dural fold that separates the cerebrum from then cerebellum is the -
ANSWERtentorium
the innermost meningeal layer that fits the brain like a latex glove fits the hand is the -
ANSWERpia mater
the frontal lobe contains which of the following:
wernicke's area
motor strip
sensory strip
globus pallidus - ANSWERmotor strip
the post central gyrus is located in the - ANSWERparietal lobe
homunculus - ANSWERdiagram that depicts what body parts are controlled by the
motor sensory strips
The ___________ is the relay station between the cerebral cortex & brainstem. -
ANSWERthalamus
the diencephalon refers to which structures? - ANSWERthalamus, hypothalamus, pineal
gland
someone who cannot understand what is said to them has had an infarct of the -
ANSWERtemporal lobe
which brainstem structure connects to the spinal cord & controls respiratory and heart
rates? - ANSWERmedulla oblongata
you are an ED RN whose patient presents w/ staggering gait and slurred speech. the
patient denies having been drinking and the alcohol level is normal, but the CT scan is
positive for infarct in the - ANSWERcerebellum
the most common cardioembolic source for stroke is - ANSWERa fib
which of these is NOT part of the circle of willis?
middle cerebral arteries
,internal carotid arteries
posterior communicating arteries
posterior cerebral arteries - ANSWERmiddle cerebral arteries
patients w/ adequate blood supply around the borders of their infarct zone have good -
ANSWERcollateral circulation
t/f: the vertebral arteries connect the subclavian arteries and the posterior brain -
ANSWERtrue
a DVT can cause a stroke only if there is a presence of what cardiac structure? -
ANSWERPFO
your pt with an anterior cerebral artery territory stroke is acting "frontal". what is the
patient doing? - ANSWERbehaving inappropriately
which syndrome would you think of for a patient who presents with acute right-sided
weakness; that is, right facial droop, right arm = 2/5 strength, right leg = 4/5 strength? -
ANSWERmiddle cerebral artery syndrome
which of the following is NOT a lacunar syndrome?
disconjugate gaze syndrome
pure motor syndrome
pure sensory syndrome
dysarthria-clumsy hand syndrome - ANSWERdisconjugate gaze syndrome
intraparenchymal hemorrhage is synonymous with - ANSWERintracerebral hemorrhage
Ondine's curse refers to a syndrome characterized by cessation of respiration during
sleep owing to failure of the automatic respiratory center in the - ANSWERmedulla
oblongata
locked-in syndrome refers to a stroke in which area of the brain? - ANSWERPons
which symptom is characteristic in a patient with damage to the Broca's area? -
ANSWERexpressive aphasia
the most common cause of intracerebral hemorrhage is - ANSWERhypertension
causing arterial wall rupture
which area is affected in patients with extinction, formally known as neglect? -
ANSWERparietal lobe
a stroke between 2 adjacent cerebral arteries is known as a/an - ANSWERwatershed
infarct
, which of the following best describes the cerebral cortex?
folds of gray matter playing an important role in consciousness
folds of white matter playing an important role in consciousness
tracts of white matter playing an important role in autonomic fx
tracts of gray matter playing an important role in motor fx - ANSWERfolds of gray matter
playing an important role in consciousness
the corpus callosum is best described by which of the following statements?
a band of gray matter fibers that facilitates communication b/t the cerebral cortex & the
brainstem
a band of white matter fibers that facilitates communication b/t the left & right
hemispheres
the posterior portion of the petrosal sinus that facilitates drainage between the
transverse sinus and the jugular vein
the 6th ventricle present in approximately 20% of the population - ANSWERa band of
white matter fibers that facilitates communication between the left and right
hemispheres
the vascular wall structure that is impacted by uncontrolled DM & uncontrolled HTN is
the - ANSWERtunica intima
arteriovenous malformations can result in a hemorrhagic stroke. this is due to what? -
ANSWERarteries & veins connecting directly rather than the usual route of arteries to
arterioles, to capillaries, to venules, to veins
name the condition that is related to a hyper coagulable state, but can present as
intracerebral hemorrhage and is treated w/ heparinization - ANSWERvenous sinus
thrombosis
the blood-brain barrier plays what role in an acute ischemic stroke? -
ANSWERdisruption allows the influx of inflammatory cells resulting in edema &
hemorrhagic transformation
multiple tiny infarcts in the same hemisphere is a clue to which condition? -
ANSWERcarotid dissection
normal cerebral blood flow is 45-60mL/100g/min. At what flow rate does irreversible
brain damage occur? - ANSWERless than 10 mL/100g/min
under conditions of hyperthermia, what changes occur in the brain? - ANSWERincrease
in metabolic needs
name the circumstance in which thrombolysis might be administered to a hemorrhagic
stroke patient. - ANSWERintraventricular hemorrhage
