This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stroke and TIA, Subject name: Medicine
Hemiplegia is most often caused by thrombosis of: 
Select and explain. 
A. Anterior cerebral aery, B. Middle cerebral aery, C. Posterior cerebral aery, D. Basilar aery
B: Middle cerebral aery
Answer: B: Middle cerebral aery 
Explanation: Hemiplegia occurs most commonly due to occlusion of middle cerebral aery. Paraplegia occurs due to occlusion of anterior cerebral aery. Posterior cerebral aery occlusion leads to Homonymous visual-field cut, usually a complete hemianopia Macular or central field sparing can occur if the occipital pole remains intact through blood supply from a branch of the middle cerebral aery.