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
Optimum minute ventilation is ensured by adjusting the following ventilation parameters 
Select and explain. 
A. PEEP and FiO2, B. Tidal volume and respiratory rate, C. PEEP and respiratory rate, D. Tidal volume and PEEP
B: Tidal volume and respiratory rate
Answer: B: Tidal volume and respiratory rate 
Explanation: Minute ventilation is tidal volume multiplied by respiratory rate.so these parameters must be adjusted to maintain optimum ventilation.