This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanics of Respiration, Subject name: Physiology
Normal respiratory minute volume is? 
Select and explain. 
A. Tidal volume X Respiratory Rate, B. Tidal volume/ Respiratory Rate, C. TLC/ Respiratory Rate, D. FRC/ Respiratory Rate
A: Tidal volume X Respiratory Rate
Answer: A: Tidal volume X Respiratory Rate 
Explanation: Ans. (a) Tidal Volume X Respiratory RateRef: Ganong 25th ed. 1629RMV: Respiratory minute volume: 500ml X 12 breaths/ min= 6L