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
Inspiratory reserve volume measures around 
Select and explain. 
A. 3000 ml, B. 1200 ml, C. 2000 ml, D. 4000 ml
A: 3000 ml
Answer: A: 3000 ml 
Explanation: Inspiratory Reserve volume
It is the amount of air in excess of tidal inspiration that can be inhaled with maximum effort.
Normal value : 3,000 ml.