This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic histology, Subject name: Anatomy
[{'content': 'Proximal urethra contains which epithelium \nSelect and explain. \nA. Cuboidal Epithelium, B. Columnar Epithelium, C. Stratified Epithelium, D. Transitional Epithelium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The proximal urethra is lined by transitional epithelium cells. Mid urethra - Pseudostratified or stratified columnar epithelium. Distal urethra is lined by stratified squamous epithelium cells', 'role': 'assistant'}]