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: Anaesthesia
In volume-cycled ventilation the inspiratory flow rate is 
Select and explain. 
A. 140-160 L/min, B. 110-130 L/min, C. 60-100 L/min, D. 30-50 L/min
C: 60-100 L/min
Answer: C: 60-100 L/min 
Explanation: C i.e. 60-1001/min The ventilators serve as energy source only during inspiration replacing the muscles of chest wall & diaphragm; expiration is passive driven by the recoil of the lung & chest wall In volume cycled ventilation inspiratory flow rate is usually maintained at 60I/minQ