This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Following instrument is used for \nSelect and explain. \nA. Bladder cathetrization, B. Control upper GI bleed, C. Central line, D. Aerial embolectomy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Fogay aerial embolectomy catheter is used to remove fresh emboli in the aerial system.It consists of a hollow tube with an inflatable balloon attached to its tip. The catheter is inseed into the blood vessel through a clot. The balloon is then inflated to extract it from the vessel.', 'role': 'assistant'}]