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: Pathology
Moality rate is higher among which of the following: 
Select and explain. 
A. Small intestinal obstruction, B. Colonic obstruction, C. Adynamic ileus, D. Intestinal pseudo obstruction
B: Colonic obstruction
Answer: B: Colonic obstruction 
Explanation: The moality rate for obstruction of the small intestine is 10%. The moality rate for colonic obstruction is 20%. Adynamic ileus the prognosis is usually good. Ref: Harrison, E-18, P-2515.