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: 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: Tidal volume X respiratory Rate