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Vascular Supply

practice for EEG registry

QuestionAnswer
What artery supplies blood to the anterior and middle cerebral arteries? internal carotid artery.
What large vessel is formed by the union of the two vertebral arteries? basilar artery.
What large arteries are formed by the bifurcation of the common carotid artery? external carotid artery and the internal carotid artery.
What arteries account for the most of the blood supply to the brain? The two internal carotids account for 86% of the cerebral blood flow and thus supply most of the blood to the brain.
The middle carotid artery supplies what areas of the brain? the insula, most of the lateral surface of the cerebral hemisphere and the anterior tip of the temporal lobe.
The anterior cerebral artery supplies to what areas of the brain? the frontal lobes and medial aspects of the parietal and occipital lobes
The posterior cerebral artery supplies what areas of the brain? the rostral mid-posterior thalamus, medial occipital lobe, and inferior and medial surfaces of the temporal lobes
Where does the vertebral artery enter the skull? the verterbral artery originates at the first branch of the subclavian, runs through foramina in cervical vertebrae C6 and enters the base of the skull through the foramen magnum and ascends along the medulla
What structure makes collateral circulation to the brain possible due to a vascular anastomosis at the base of the brain? Circle of willis
Name the arteries that form the circle of willis the circle of willis consists of parts of the internal carotid artery, the anterior and posterior cerebral arteries, interconnected by the anterior and posterior communicating arteries.
Created by: moeegtech