This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Urethral Crest is situated in \nSelect and explain. \nA. Prostatic Urethra, B. Membrnous Uretha, C. Penile Urethra, D. Bulbar Urethra', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dissection of prostate showing prostatic urethra and urethral crest on posterior wall.In males, the urethral crest is known as the crista urethralis masculinae, or the crista phallica, and is a longitudinal fold on the posterior wall of the urethra extending from the uvula of the bladder through the prostatic urethra. ref - researchgate.net', 'role': 'assistant'}]