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: Anatomy
[{'content': 'NOT true statement regarding Urinary bladder among the following is \nSelect and explain. \nA. lnterureteric ridge is also known as Bar of Mercier, B. Muscularis mucosa is absent in Trigone making it smooth, C. Trigonal muscle forms Urethral Crest, D. Uvula vesicae in formed by Median lobe of prostate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Submucosa is absent in Trigone making it smooth.', 'role': 'assistant'}]