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
Which of the following should be the ventilator settings for tidal volume in a patient with ARDS? 
Select and explain. 
A. Tidal volume 10-12 ml/kg, B. Tidal volume 8-10 ml/kg, C. Tidal volume 5-7 ml/kg, D. Tidal volume 4 ml/kg
C: Tidal volume 5-7 ml/kg
Answer: C: Tidal volume 5-7 ml/kg 
Explanation: Ans. is'c'i.e., Tidal Volume 5-7 ml/kg"Patients with acute lung injury or acute respiratory distress syndrome should be mechanically ventilated with tidal volumes of 6 mLkg of ideal body weight.