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
[{'content': 'Gait apraxia is seen in? \nSelect and explain. \nA. ACA, B. MCA, C. PCA, D. Posterior choroidal aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Gait apraxia/ Magnetic gait is common in the elderly d/t ACA insufficiency. Typical features of Gait apraxia include: Wide base of suppo Sho stride Shuffling along the floor Difficulty with stas and turns. Many patients exhibit difficulty with gait initiation termed as "Slipping clutch" syndrome.', 'role': 'assistant'}]