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
The Prostatic urethra is characterized by all of the following features, except that it? 
Select and explain. 
A. Is the widest and most dilatable pa, B. Presents a concavity posteriorly, C. Lies closer to anterior surface of prostate, D. Receives Prostatic ductules along its posterior wall
B: Presents a concavity posteriorly
Answer: B: Presents a concavity posteriorly 
Explanation: Prostatic urethra is the widest and most dilatable pa of the urethra and is concave anteriorly.