This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Which is false about hydrocele? \nSelect and explain. \nA. Almost always fluid is transudate, B. Get above the swelling, C. Testis is separate from swelling, D. Obscures inguinal hernia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The fluid of the hydrocele surrounds the body of the testis making the testis impalpable. If one can feel the testis separate from the scrotal swelling then the swelling is not a hydrocele but may be a cyst of the epididymis or spermatocele. Reference : page 625 A manual on clinical surgery Das 10th edition', 'role': 'assistant'}]