This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra and penis, Subject name: Surgery
Which pa of the male urethra is the widest and most distensible? 
Select and explain. 
A. Prostatic, B. Membranous, C. Bulbous, D. Penile
A: Prostatic
Answer: A: Prostatic 
Explanation: Most distensible is Prostatic Least dilatable is Membranous