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: Medicine
Non-propulsive peristalsis is a feature of 
Select and explain. 
A. Paralytic ileus, B. Impacted faeces, C. Mesenteric vascular occlusion, D. Incarceration
C: Mesenteric vascular occlusion
Answer: C: Mesenteric vascular occlusion 
Explanation: None