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Flashcards in Blood Supply Of The Brain Deck (8)
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1
Q

There are 2 independent arterial supply systems of the brain. One provides about 80% and the other 20%. What are they?

A

Internal carotid arteries - 80%

Vertebral arteries - 20%

2
Q

The internal carotid artery is a continuation of the _______ carotid artery. It has a _______ and ___________ part. It transverses the temporal bone, entering the skull through the ______ _____.

A

Common
Cervical and intracranial
Carotid canal

3
Q

The _____________ artery follows the cingulate sulcus. It continues as the ____________ artery, which stays immediately adjacent to the corpus callosum.

A

Callosomarginal

Pericallosal

4
Q

The Middle Cerebral Artery supplies most of the lateral surface of the _________ ____________.

Most of the _______ and ________ _______ are within this area of supply, so occlusion of MCA causes major motor and somatosensory deficits.

A

Cerebral hemisphere

Precentral and postcentral gyri

5
Q

The medial occipital branch of the posterior cerebral artery supplies the ______ ______.

A

Visual cortex

6
Q

True or False? The cerebral veins are comprised of several valves.

A

False. The cerebral veins have no valves…they’re above the heart so they don’t need them.

7
Q

___ is a potent vasorelaxant.

A

NO

8
Q

A cerebral angiogram is typically produced by introducing a catheter into the _________ artery.

A

Femoral