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
[{'content': 'CongenitalA-V fistulas in the thigh will be associated with all except - \nSelect and explain. \nA. Increased cardiac output, B. Increased skin temperature, C. Gigantism of limb, D. Superficial venous engorgement', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Increased skin temperature", 'role': 'assistant'}]