CVA Exam Questions with All Correct Answers

CVA Exam Questions with All Correct Answers Anterior Spinal Artery supplies: - Answer-upper 1/3 of the spinal cord Posterior Inferior Cerebellar Artery (PICA) supplies: - Answer-lateral portion of the medulla oblongata & posterior cerebellum Basilar Artery - Answer-Vertbral arteries (ant. spinal artery & PICA) fuse and become the basilar artery in the middle 1/3 of the brainstem Basilar artery supplies: - Answer-brainstem, cerebellum, occipital lobe & medial portions of temporal lobes and basal ganglia Basilar Artery Branches: - Answer-- Anterior Inferior Cerebellar Artery (AICA) - Labyrinthine Artery - Pontine Artery - Superior Cerebellar Artery - Posterior Cerebral Artery Anterior Inferior Cerebellar Artery (AICA) supplies: - Answer-inferior surface or cerebellum & some branches to pons and medulla Labyrinthine Artery supplies: - Answer-middle ear Pontine Artery supplies: - Answer-pons Lesions in the pontine artery (pons) results in: - Answer-"locked-in syndrome" Locked-In Syndrome - Answer-Paralysis of ALL voluntary mvmt except eyes; sensation intact Posterior Cerebellar Artery supplies: - Answer-medial & inferior surfaces of temporal & occipital lobes Circle of Willis - Answer-network of blood vessels which affords rich communicatin between the Basilar System & the Internal Carotid System Circle of Willis consists of: - Answer-- Anterior Communicating Artery - Anterior Cerebral Artery - Small portion of the Internal Carotid - Posterior Communicating Artery - Posterior Cerebral Artery