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': 'Which of the following statement is NOT true about prostatic urethra? \nSelect and explain. \nA. Trapezoidal in cross-section, B. Opening of prostatic ducts, C. Presence of verumontanum, D. Contains urethral crest', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The lumen of the prostatic urethra, where the colliculus seminalis is located, has cresent appearance in cross section. The main prostatic gland drain into prostatic urethra through 15-30 prostatic ducts. The posterior wall of the urethra forms a longitudinal fold, the urethral crest (UC), which is the reason why the prostatic urethra has a crescent-shaped profile.Verumontanum is an elevation, or crest, in the wall of the urethra where the seminal ducts enter it.Ref: Human Microscopic Anatomy: An Atlas for Students of Medicine and Biology By Radivoj V. Krstic 3rd Ed Page 370', 'role': 'assistant'}]