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
Spirometry can demonstrate and measure all of the following except 
Select and explain. 
A. Tidal volume, B. Residual volume, C. Vital capacity, D. Inspiratory reserve capacity
B: Residual volume
Answer: B: Residual volume 
Explanation: Question repeated