Neuro - Blood Supply
Does the basilar artery feed the anterior or posterior portion of the brain?
posterior
Which technique is used to look through arteries and at blood flow to the brain, helping to diagnose aneurysms and narrowing of vessels?
Neuroangiography
The overlapping blood supply of the Circle of Willis protects the brain when part of the vascular supply is blocked; this is known as _____.
anastomosis
What is the most common site for an intracranial saccular aneurysm?
anterior communicating artery
True of False: The ACA supplies the frontal, parietal, and temporal lobes
false
True or False: The ACA supplies the anterior corpus collosum while the PCA supplies the posterior corpus collosum.
true
Deep structures of the brain are supplied directly by branches of the internal carotid, as well as by ____ (proximal/distal) portions of cerebral arteries
proximal
Which syndrome is described as having an unawareness of space and body contralateral to a sustained lesion?
hemineglect
Impairment of the MCA of the right hemisphere would affect spatial awareness while an MCA impairment of the left hemisphere would affect language. True or False?
true
Would Broca's aphasia result in difficulties of language comprehension or production?
production
Loss of vision for one half of the visual field, typically from a PCA stroke, is called what?
hemianopsia
Which of the following would cause a hemorrhagic stroke?
hypertension
aneurysm
Which medicine can be administered quickly after an occlusive stroke in hopes of breaking down a blood clot?
tPA
tissue plasminogen activator
Two methods for dealing with intracranial aneurysms are:
endovascular coiling; surgical clipping
surgical clipping; endovascular coiling
What is the correct path of venous drainage?
superior saggital sinus > transverse sinus > sigmoid sinus > jugular vein
The posterior cerebral artery (PCA) arises from a bifurcation of the _____ artery
basilar
True or False: MCA has superior and inferior divisions of cortical branches
true
The PCA supplies the medial and inferior portion of the _____ lobe
temporal
Denying a handicap, such as unawareness of quite dramatic impairments like blindness or paralysis is called ___
anosognosia
Memory impairment would be a sign of a lesion in which cerebral artery (use the abbreviation)?
PCA
A condition in which you have an inability to identify facial characteristics, typically caused by a PCA stroke, is better known as _____
prosopagnosia