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
Ureters are identified during surgery by : 
Select and explain. 
A. Peristalsis d/t flow of urine, B. Rich aerial plexus, C. Relation to renal vein & aery, D. Relation to lumbar plexus
A: Peristalsis d/t flow of urine
Answer: A: Peristalsis d/t flow of urine 
Explanation: A. i.e. Peristalsis due to flow of urineUreters are muscular ducts situated retroperitonially & are identified by peristalsisQ