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': 'All of the following are true for torsion of testes EXCEPT: March 2013 (d) \nSelect and explain. \nA. Trauma to testes, B. Due to twisting of spermatic cord w.r.t. tunica vaginalis, C. Cough on impulse positive, D. Intravaginal torsion is commoner', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Cough on impulse positive', 'role': 'assistant'}]