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
Bronchial asthma patient on artificial ventilation requires 
Select and explain. 
A. A low respiratory flow, B. An equal IE ratio of 1:1, C. An inverse ratio ventilation, D. An IE ratio 1:2.5
D: An IE ratio 1:2.5
Answer: D: An IE ratio 1:2.5 
Explanation: None