This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
The instrument shown below is 
Select and explain. 
A. Judkins catheter, B. Fogarty's catheter, C. Pigtailed catheter, D. Simmons catheter
B: Fogarty's catheter
Answer: B: Fogarty's catheter 
Explanation: This is Fogarty's catheter used in embolectomy.