This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System, Subject name: Physiology
Volume of air taken in and given out during normal respiration is referred to as 
Select and explain. 
A. IRV, B. TV, C. ERV, D. VC
B: TV
Answer: B: TV 
Explanation: Ans. (b) TV(Ref: Ganong, 25th ed/p.628)Tidal volume is the volume of air inspired or expired with each breath during normal quiet breathing. It is 500- 750 ml