This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem lesions and blood supply of CNS, Subject name: Anatomy
A 50-year-old hypeensive woman complains of numbness and weakness in her left leg and foot. Which of the following aeries occlusion can account for this complaint? 
Select and explain. 
A. Anterior cerebral, B. Anterior choroidal, C. Interior carotid, D. Middle cerebral
A: Anterior cerebral
Answer: A: Anterior cerebral 
Explanation: The anterior cerebral aery perfuses the paracentral lobule, which represents the motor and sensory areas of the leg and foot areas.