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': 'True about acute epididymitis is - \nSelect and explain. \nA. Associated with urinary infection, B. Painless, C. Scrotum size is reduced, D. Does not mimic with torsion of testes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Acute epididymitis and ac. epididymorchitis are inflammation of the epididymis and testis due to infective pathology.\n\nInfection reaches the epididymis through the vas from urethra. Sometimes it may be blood borne.\nMC infective organism in sexually active young males is Gonococcus and Chlamydia, and in children and older men are d/t urinary pathogen such as E. coli.\n\nClinical symptoms\n\nthe pts. presents with a fever, very painful, swollen, red, tender scrotum.\nThe epididymis and the testis are both swollen.\nThe acute painful condition has to be differentiated from torsion of testis.\n\nTreatment\n\nantibiotics,\nrest &\nlots of fluid', 'role': 'assistant'}]