This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
[{'content': 'True regarding indirect inguinal hernia are all except: \nSelect and explain. \nA. Most common type of hernia, B. Always unilateral, C. Inguinal herniotomy is the basic operation, D. Transillumination distinguishes it from hydrocele', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Always unilateral* In adults- 12 % cases are bilateral hernias* Transillumination is positive in hydrocele and negative in Hernia', 'role': 'assistant'}]