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