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': 'Lymphatics from the spongy urethra drain into which of the following lymph nodes: \nSelect and explain. \nA. Sacral nodes, B. Deep inguinal nodes, C. Internal inguinal nodes, D. Superficial inguinal nodes', 'role': 'user'}, {'content': "Answer: B \nExplanation: Lymphatics from glans penis, prostatic urethra, spongy urethra and superficial inguinal nodes drains into deep inguinal lymph nodes. Ref: Grant's Atlas of Anatomy By A M R Agur, 13th Edition, Page 233", 'role': 'assistant'}]